This is a list of the 100 largest counties

County (United States)

In the United States, a county is a geographic subdivision of a state , usually assigned some governmental authority. The term "county" is used in 48 of the 50 states; Louisiana is divided into parishes and Alaska into boroughs. Parishes and boroughs are called "county-equivalents" by the U.S...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 by population based on the national decennial US census conducted on 1 April 2010.

Many of the counties on the list include major cities or metropolitan areas. Four of the listed counties have consolidated city and county government, namely the City and County of Honolulu

Honolulu County, Hawaii

The City and County of Honolulu is a consolidated city–county located in the U.S. state of Hawaii. The municipality and county includes both the urban district of Honolulu and the rest of the island of Oahu, as well as several minor outlying islands, including all of the Northwestern Hawaiian...

, City and County of Philadelphia

Philadelphia County, Pennsylvania

-History:Tribes of Lenape were the first known occupants in the area which became Philadelphia County. The first European settlers were Swedes and Finns who arrived in 1638. The Netherlands seized the area in 1655, but permanently lost control to England in 1674...

, City and County of San Francisco and City and County of Denver. Baltimore

Baltimore

Baltimore is the largest independent city in the United States and the largest city and cultural center of the US state of Maryland. The city is located in central Maryland along the tidal portion of the Patapsco River, an arm of the Chesapeake Bay. Baltimore is sometimes referred to as Baltimore...

, Maryland

Maryland

Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...

, has been an independent city

Independent city

An independent city is a city that does not form part of another general-purpose local government entity. These type of cities should not be confused with city-states , which are fully sovereign cities that are not part of any other sovereign state.-Historical precursors:In the Holy Roman Empire,...

 since 1851; however, it is considered to be a county-equivalent by the U.S. Census Bureau, and therefore is included in the list in the 100th position, together with the Baltimore County (which according to the 2010 census is in the 67th place).

Queens County

Queens

Queens is the easternmost of the five boroughs of New York City. The largest borough in area and the second-largest in population, it is coextensive with Queens County, an administrative division of New York state, in the United States....

, Kings County

Brooklyn

Brooklyn is the most populous of New York City's five boroughs, with nearly 2.6 million residents, and the second-largest in area. Since 1896, Brooklyn has had the same boundaries as Kings County, which is now the most populous county in New York State and the second-most densely populated...

, New York County

Manhattan

Manhattan is the oldest and the most densely populated of the five boroughs of New York City. Located primarily on the island of Manhattan at the mouth of the Hudson River, the boundaries of the borough are identical to those of New York County, an original county of the state of New York...

, Bronx County

The Bronx

The Bronx is the northernmost of the five boroughs of New York City. It is also known as Bronx County, the last of the 62 counties of New York State to be incorporated...

, and Richmond County

Staten Island

Staten Island is a borough of New York City, New York, United States, located in the southwest part of the city. Staten Island is separated from New Jersey by the Arthur Kill and the Kill Van Kull, and from the rest of New York by New York Bay...

, New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

 are coterminous with borough

Borough (New York City)

New York City, one of the largest cities in the world, is composed of five boroughs. Each borough now has the same boundaries as the county it is in. County governments were dissolved when the city consolidated in 1898, along with all city, town, and village governments within each county...

s of New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

, fall under the jurisdiction of the combined city government, and therefore lack a county seat. Each of the four most populous counties is listed instead with the location of its county courthouse.

List of the most populous US counties sorted according to the 2010 census

Rank	County	State	Land area (km²)	Land area (mi²)	April 1, 2000 census United States Census Bureau, Table: Population change for counties	2000 density (/km²)	2000 density (/mi²)	April 1, 2010 census	2010 density (/km²)	2010 density (/mi²)	Absolute decennial change	Decennial change (%)	Average annual change (%)	County seat County seat A county seat is an administrative center, or seat of government, for a county or civil parish. The term is primarily used in the United States.... or courthouse
1	Los Angeles County Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	10,517.61	4,060.87	9,519,338	905	2,344	9,818,605	934	2,418	299,267	3.14	0.31	Los Angeles Los Ángeles Los Ángeles is the capital of the province of Biobío, in the commune of the same name, in Region VIII , in the center-south of Chile. It is located between the Laja and Biobío rivers. The population is 123,445 inhabitants...
2	Cook County Cook County, Illinois Cook County is a county in the U.S. state of Illinois, with its county seat in Chicago. It is the second most populous county in the United States after Los Angeles County. The county has 5,194,675 residents, which is 40.5 percent of all Illinois residents. Cook County's population is larger than...	Illinois Illinois Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...	2,449.30	945.68	5,376,741	2,195	5,686	5,194,675	2,121	5,493	-182,066	-3.39	-0.34	Chicago Chicago Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...
3	Harris County Harris County, Texas As of the 2010 Census, the population of the county was 4,092,459, White Americans made up 56.6% of Harris County's population; non-Hispanic whites represented 33.0% of the population. Black Americans made up 18.9% of the population. Native Americans made up 0.7% of Harris County's population...	Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...	4,477.65	1,728.83	3,400,578	759	1,967	4,092,459	914	2,367	691,881	20.35	1.87	Houston
4	Maricopa County Maricopa County, Arizona -2010:Whereas according to the 2010 U.S. Census Bureau:*73.0% White*5.0% Black*2.1% Native American*3.5% Asian*0.2% Native Hawaiian or Pacific Islander*3.5% Two or more races*12.7% Other races*29.6% Hispanic or Latino -2000:...	Arizona Arizona Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...	23,836.02	9,203.14	3,072,149	129	334	3,817,117	160	415	744,968	24.25	2.19	Phoenix Phoenix, Arizona Phoenix is the capital, and largest city, of the U.S. state of Arizona, as well as the sixth most populated city in the United States. Phoenix is home to 1,445,632 people according to the official 2010 U.S. Census Bureau data...
5	San Diego County San Diego County, California San Diego County is a large county located in the southwestern corner of the US state of California. Hence, San Diego County is also located in the southwestern corner of the 48 contiguous United States. Its county seat and largest city is San Diego. Its population was about 2,813,835 in the 2000...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	10,877.67	4,199.89	2,813,833	259	670	3,095,313	285	737	281,480	10.00	0.96	San Diego
6	Orange County Orange County, California Orange County is a county in the U.S. state of California. Its county seat is Santa Ana. As of the 2010 census, its population was 3,010,232, up from 2,846,293 at the 2000 census, making it the third most populous county in California, behind Los Angeles County and San Diego County...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	2,044.54	789.40	2,846,289	1,392	3,606	3,010,232	1,472	3,813	163,943	5.76	0.56	Santa Ana Santa Ana, California Santa Ana is the county seat and second most populous city in Orange County, California, and with a population of 324,528 at the 2010 census, Santa Ana is the 57th-most populous city in the United States....
7	Kings County	New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...	182.88	70.61	2,465,326	13,481	34,915	2,504,700	13,696	35,472	39,374	1.60	0.16	Brooklyn Brooklyn Brooklyn is the most populous of New York City's five boroughs, with nearly 2.6 million residents, and the second-largest in area. Since 1896, Brooklyn has had the same boundaries as Kings County, which is now the most populous county in New York State and the second-most densely populated...
8	Miami-Dade County Miami-Dade County, Florida Miami-Dade County is a county located in the southeastern part of the state of Florida. As of 2010 U.S. Census, the county had a population of 2,496,435, making it the most populous county in Florida and the eighth-most populous county in the United States...	Florida Florida Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...	5,040.27	1,946.06	2,253,362	447	1,158	2,496,435	495	1,283	243,073	10.79	1.03	Miami
9	Dallas County Dallas County, Texas As of the census of 2000, there were 2,218,899 people, 807,621 households, and 533,837 families residing in the county. The population density was 2,523 people per square mile . There were 854,119 housing units at an average density of 971/sq mi...	Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...	2,278.15	879.60	2,218,899	974	2,523	2,368,139	1,040	2,692	149,240	6.73	0.65	Dallas
10	Queens County	New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...	282.93	109.24	2,229,379	7,880	20,408	2,230,722	7,884	20,420	1,343	0.06	0.01	Kew Gardens, Queens Kew Gardens, Queens Kew Gardens is a triangular-shaped neighborhood in central Queens bounded to the north by the Jackie Robinson Parkway , to the east by Van Wyck Expressway and 131st Street, to the south by Hillside Avenue, and to the west by Park Lane, Abingdon Road and 118th Street...
11	Riverside County Riverside County, California Riverside County is a county in the U.S. state of California. One of 58 California counties, it covers in the southern part of the state, and stretches from Orange County to the Colorado River, which forms the state border with Arizona. The county derives its name from the city of Riverside,...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	18,667.00	7,207.37	1,545,387	83	214	2,189,641	117	304	644,254	41.69	3.55	Riverside Riverside, California Riverside is a city in Riverside County, California, United States, and the county seat of the eponymous county. Named for its location beside the Santa Ana River, it is the largest city in the Riverside-San Bernardino-Ontario metropolitan area of Southern California, 4th largest inland California...
12	San Bernardino County San Bernardino County, California San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	51,935.74	20,052.50	1,709,434	33	85	2,035,210	39	101	325,776	19.06	1.76	San Bernardino San Bernardino, California San Bernardino is a city located in the Riverside-San Bernardino metropolitan area , and serves as the county seat of San Bernardino County, California, United States...
13	Clark County Clark County, Nevada -Demographics:As of the census of 2000, there were 1,375,765 people, 512,253 households, and 339,693 families residing within the MSA. The racial makeup of the MSA was 71.6% White , 9.1% Black, 5.7% Asian, 0.8% American Indian and 12.8% of other or mixed race. 22.0% were Hispanic of any race...	Nevada Nevada Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...	20,487.69	7,910.34	1,375,765	67	174	1,951,269	95	247	575,504	41.83	3.56	Las Vegas Las Vegas, Nevada Las Vegas is the most populous city in the U.S. state of Nevada and is also the county seat of Clark County, Nevada. Las Vegas is an internationally renowned major resort city for gambling, shopping, and fine dining. The city bills itself as The Entertainment Capital of the World, and is famous...
14	King County King County, Washington King County is a county located in the U.S. state of Washington. The population in the 2010 census was 1,931,249. King is the most populous county in Washington, and the 14th most populous in the United States....	Washington	5,506.42	2,126.04	1,737,034	315	817	1,931,249	351	908	194,215	11.18	1.07	Seattle
15	Wayne County Wayne County, Michigan -History:Wayne County was one of the first counties formed when the Northwest Territory was organized. It was named for the American general "Mad Anthony" Wayne. It originally encompassed the entire area of the Lower Peninsula of Michigan, as well as small sections that are now part of northern...	Michigan Michigan Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....	1,590.64	614.15	2,061,162	1,296	3,356	1,820,584	1,145	2,964	-240,578	-11.67	-1.23	Detroit
16	Tarrant County Tarrant County, Texas Tarrant County is a county located in the U.S. state of Texas. As of the 2010 U.S. Census, it had a population of 1,809,034. Its county seat is Fort Worth. Tarrant County is the sixteenth most populous county in the United States and the third most populous in Texas. The county is named in honor...	Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...	2,236.25	863.42	1,446,219	647	1,675	1,809,034	809	2,095	362,815	25.09	2.26	Fort Worth Fort Worth, Texas Fort Worth is the 16th-largest city in the United States of America and the fifth-largest city in the state of Texas. Located in North Central Texas, just southeast of the Texas Panhandle, the city is a cultural gateway into the American West and covers nearly in Tarrant, Parker, Denton, and...
17	Santa Clara County Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	3,342.87	1,290.69	1,682,585	503	1,304	1,781,642	533	1,380	99,057	5.89	0.57	San Jose San Jose, California San Jose is the third-largest city in California, the tenth-largest in the U.S., and the county seat of Santa Clara County which is located at the southern end of San Francisco Bay...
18	Broward County Broward County, Florida -2000 Census:As of the census of 2000, there were 1,623,018 people, 654,445 households, and 411,645 families residing in the county. The population density was 1,346 people per square mile . There were 741,043 housing units at an average density of 615 per square mile...	Florida Florida Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...	3,121.97	1,205.40	1,623,018	520	1,346	1,748,066	560	1,450	125,048	7.70	0.74	Fort Lauderdale Fort Lauderdale, Florida Fort Lauderdale is a city in the U.S. state of Florida, on the Atlantic coast. It is the county seat of Broward County. As of the 2010 census, the city had a population of 165,521. It is a principal city of the South Florida metropolitan area, which was home to 5,564,635 people at the 2010...
19	Bexar County Bexar County, Texas As of the census of 2000, there were 1,392,931 people, 488,942 households, and 345,681 families residing in the county. The population density was 1,117 people per square mile . There were 521,359 housing units at an average density of 418 per square mile...	Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...	3,229.25	1,246.82	1,392,931	431	1,117	1,714,773	531	1,375	321,842	23.11	2.10	San Antonio
20	New York County	New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...	59.47	22.96	1,537,195	25,848	66,951	1,585,873	26,667	69,071	48,678	3.17	0.31	Manhattan Manhattan Manhattan is the oldest and the most densely populated of the five boroughs of New York City. Located primarily on the island of Manhattan at the mouth of the Hudson River, the boundaries of the borough are identical to those of New York County, an original county of the state of New York...
21	Philadelphia County Philadelphia County, Pennsylvania -History:Tribes of Lenape were the first known occupants in the area which became Philadelphia County. The first European settlers were Swedes and Finns who arrived in 1638. The Netherlands seized the area in 1655, but permanently lost control to England in 1674...	Pennsylvania Pennsylvania The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...	349.88	135.09	1,517,550	4,337	11,234	1,526,006	4,362	11,296	8,456	0.56	0.06	Philadelphia
22	Alameda County Alameda County, California Alameda County is a county in the U.S. state of California. It occupies most of the East Bay region of the San Francisco Bay Area. As of the 2010 census it had a population of 1,510,271, making it the 7th most populous county in the state...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	1,910.30	737.57	1,443,741	756	1,957	1,510,271	791	2,048	66,530	4.61	0.45	Oakland Oakland, California Oakland is a major West Coast port city on San Francisco Bay in the U.S. state of California. It is the eighth-largest city in the state with a 2010 population of 390,724...
23	Middlesex County Middlesex County, Massachusetts -National protected areas:* Assabet River National Wildlife Refuge* Great Meadows National Wildlife Refuge* Longfellow National Historic Site* Lowell National Historical Park* Minute Man National Historical Park* Oxbow National Wildlife Refuge...	Massachusetts Massachusetts The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...	2,132.75	823.46	1,465,396	687	1,780	1,503,085	705	1,825	37,689	2.57	0.25	Cambridge Cambridge, Massachusetts Cambridge is a city in Middlesex County, Massachusetts, United States, in the Greater Boston area. It was named in honor of the University of Cambridge in England, an important center of the Puritan theology embraced by the town's founders. Cambridge is home to two of the world's most prominent...  and Lowell Lowell, Massachusetts Lowell is a city in Middlesex County, Massachusetts, USA. According to the 2010 census, the city's population was 106,519. It is the fourth largest city in the state. Lowell and Cambridge are the county seats of Middlesex County...
24	Suffolk County Suffolk County, New York Suffolk County is a county located in the U.S. state of New York on the eastern portion of Long Island. As of the 2010 census, the population was 1,493,350. It was named for the county of Suffolk in England, from which its earliest settlers came...	New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...	2,362.59	912.20	1,419,369	601	1,556	1,493,350	632	1,637	73,981	5.21	0.51	Riverhead Riverhead (CDP), New York Riverhead is a census-designated place roughly corresponding to the hamlet by the same name located in the town of Riverhead in Suffolk County, New York on Long Island...
25	Sacramento County Sacramento County, California Sacramento County is a county in the U.S. state of California. Its county seat is Sacramento, which is also the state capital. As of 2010 the county had a population of 1,418,788....	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	2,501.02	965.65	1,223,499	489	1,267	1,418,788	567	1,469	195,289	15.96	1.49	Sacramento Sacramento, California Sacramento is the capital city of the U.S. state of California and the county seat of Sacramento County. It is located at the confluence of the Sacramento River and the American River in the northern portion of California's expansive Central Valley. With a population of 466,488 at the 2010 census,...
26	Bronx County	New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...	108.86	42.03	1,332,650	12,242	31,707	1,385,108	12,724	32,955	52,458	3.94	0.39	The Bronx The Bronx The Bronx is the northernmost of the five boroughs of New York City. It is also known as Bronx County, the last of the 62 counties of New York State to be incorporated...
27	Nassau County Nassau County, New York Nassau County is a suburban county on Long Island, east of New York City in the U.S. state of New York, within the New York Metropolitan Area. As of the 2010 census, the population was 1,339,532...	New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...	742.52	286.69	1,334,544	1,797	4,655	1,339,532	1,804	4,672	4,988	0.37	0.04	Mineola Mineola, New York Mineola is a village in Nassau County, New York, USA. The population was 18,799 at the 2010 census. The name is derived from a Native American word meaning a "pleasant place"....
28	Palm Beach County Palm Beach County, Florida Palm Beach County is the largest county in the state of Florida in total area, and third in population. As of 2010, the county's estimated population was 1,320,134, making it the twenty-eighth most populous in the United States...	Florida Florida Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...	5,112.92	1,974.11	1,131,184	221	573	1,320,134	258	669	188,950	16.70	1.56	West Palm Beach West Palm Beach, Florida West Palm Beach, is a city located on the Atlantic coast in southeastern Florida and is the most populous city in and county seat of Palm Beach County, the third most populous county in Florida with a 2010 population of 1,320,134. The city is also the oldest incorporated municipality in South Florida...
29	Cuyahoga County Cuyahoga County, Ohio Cuyahoga County is a county located in the state of Ohio, United States. It is the most populous county in Ohio; as of the 2010 census, the population was 1,280,122. Its county seat is Cleveland. Cuyahoga County is part of Greater Cleveland, a metropolitan area, and Northeast Ohio, a...	Ohio Ohio Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...	1,187.48	458.49	1,393,978	1,174	3,040	1,280,122	1,078	2,792	-113,856	-8.17	-0.85	Cleveland
30	Hillsborough County Hillsborough County, Florida As of the census of 2000, there were 998,948 people, 391,357 households, and 255,164 families residing in the county. The population density was 951 people per square mile . There were 425,962 housing units at an average density of 405 per square mile...	Florida Florida Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...	2,721.84	1,050.91	998,948	367	951	1,229,226	452	1,170	230,278	23.05	2.10	Tampa Tampa, Florida Tampa is a city in the U.S. state of Florida. It serves as the county seat for Hillsborough County. Tampa is located on the west coast of Florida. The population of Tampa in 2010 was 335,709....
31	Allegheny County Allegheny County, Pennsylvania Allegheny County is a county in the southwestern part of the U.S. state of Pennsylvania. As of the 2010 census, the population was 1,223,348; making it the second most populous county in Pennsylvania, following Philadelphia County. The county seat is Pittsburgh...	Pennsylvania Pennsylvania The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...	1,891.13	730.17	1,281,666	678	1,755	1,223,348	647	1,675	-58,318	-4.55	-0.46	Pittsburgh
32	Oakland County Oakland County, Michigan -Demographics:As of the 2010 Census, there were 1,202,362 people, 471,115 households, and 315,175 families residing in the county. The population density as of the 2000 census was 1,369 people per square mile . There were 492,006 housing units at an average density of 564 per square mile...	Michigan Michigan Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....	2,259.79	872.51	1,194,156	528	1,369	1,202,362	532	1,378	8,206	0.69	0.07	Pontiac Pontiac, Michigan Pontiac is a city in the U.S. state of Michigan named after the Ottawa Chief Pontiac, located within the Detroit metropolitan area. As of the 2010 census, the city had a total population of 59,515. It is the county seat of Oakland County...
33	Franklin County Franklin County, Ohio Franklin County is a county located in the state of Ohio, United States. In 2010 the population was 1,163,414, making it the second largest county in Ohio and the 34th largest county in population in the United States. Franklin County is also the largest in the eight-county Columbus, Ohio...	Ohio Ohio Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...	1,398.26	539.87	1,068,978	765	1,980	1,163,414	832	2,155	94,436	8.83	0.85	Columbus Columbus, Ohio Columbus is the capital of and the largest city in the U.S. state of Ohio. The broader metropolitan area encompasses several counties and is the third largest in Ohio behind those of Cleveland and Cincinnati. Columbus is the third largest city in the American Midwest, and the fifteenth largest city...
34	Hennepin County Hennepin County, Minnesota Hennepin County is a county located in the U.S. state of Minnesota, named in honor of the 17th-century explorer Father Louis Hennepin. As of 2010 the population was 1,152,425. Its county seat is Minneapolis. It is by far the most populous county in Minnesota; more than one in five Minnesotans live...	Minnesota Minnesota Minnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state...	1,441.64	556.62	1,116,200	774	2,005	1,152,425	799	2,070	36,225	3.25	0.32	Minneapolis
35	Orange County Orange County, Florida Orange County is a county located in the U.S. state of Florida and is part of the Orlando-Kissimmee-Sanford Metropolitan Statistical Area . As of 2010 U.S. Census, the county had a population of 1,145,956....	Florida Florida Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...	2,350.29	907.45	896,344	381	988	1,145,956	488	1,263	249,612	27.85	2.49	Orlando Orlando, Florida Orlando is a city in the central region of the U.S. state of Florida. It is the county seat of Orange County, and the center of the Greater Orlando metropolitan area. According to the 2010 US Census, the city had a population of 238,300, making Orlando the 79th largest city in the United States...
36	Fairfax County Fairfax County, Virginia Fairfax County is a county in Virginia, in the United States. Per the 2010 Census, the population of the county is 1,081,726, making it the most populous jurisdiction in the Commonwealth of Virginia, with 13.5% of Virginia's population...	Virginia Virginia The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...	1,023.15	395.04	969,749	948	2,455	1,081,726	1,057	2,738	111,977	11.55	1.10	Fairfax Fairfax, Virginia The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....
37	Contra Costa County Contra Costa County, California Contra Costa County is a primarily suburban county in the San Francisco Bay Area of the U.S. state of California. As of the 2010 census, it had a population of 1,049,025...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	1,864.66	719.95	948,816	509	1,318	1,049,025	563	1,457	100,209	10.56	1.01	Martinez Martinez, California Martinez is a city and the county seat of Contra Costa County, California, United States. The population was 35,824 at the 2010 census. The downtown is notable for its large number of preserved old buildings...
38	Salt Lake County Salt Lake County, Utah Salt Lake County is a county located in the U.S. state of Utah. It had a population of 1,029,655 at the 2010 census. Its county seat and largest city is Salt Lake City, the state capital. It occupies Salt Lake Valley, as well as parts of the surrounding mountains, the Oquirrh Mountains to the west...	Utah Utah Utah is a state in the Western United States. It was the 45th state to join the Union, on January 4, 1896. Approximately 80% of Utah's 2,763,885 people live along the Wasatch Front, centering on Salt Lake City. This leaves vast expanses of the state nearly uninhabited, making the population the...	1,909.81	737.38	898,387	470	1,218	1,029,655	539	1,396	131,268	14.61	1.37	Salt Lake City
39	Travis County Travis County, Texas As of 2009, the U.S. census estimates there were 1,026,158 people, 320,766 households, and 183,798 families residing in the county. The population density was 821 people per square mile . There were 335,881 housing units at an average density of 340 per square mile...	Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...	2,562.28	989.30	812,280	317	821	1,024,266	400	1,035	211,986	26.10	2.35	Austin Austin, Texas Austin is the capital city of the U.S. state of :Texas and the seat of Travis County. Located in Central Texas on the eastern edge of the American Southwest, it is the fourth-largest city in Texas and the 14th most populous city in the United States. It was the third-fastest-growing large city in...
40	St. Louis County St. Louis County, Missouri St. Louis County is a county located in the U.S. state of Missouri. Its county seat is Clayton. St. Louis County is part of the St. Louis Metro Area wherein the independent City of St. Louis and its suburbs in St. Louis County, as well as the surrounding counties in both Missouri and Illinois all...	Missouri Missouri Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...	1,315.22	507.81	1,016,315	773	2,001	998,954	760	1,967	-17,361	-1.71	-0.17	Clayton Clayton, Missouri Clayton is an inner-ring suburb of St. Louis and the county seat of St. Louis County, Missouri. The population was 15,939 at the 2010 census. The city was organized in 1877 and is named after Ralph Clayton, who donated the land for the courthouse.-Geography:...
41	Pima County Pima County, Arizona -2010:Whereas according to the 2010 U.S. Census Bureau:*74.3% White*3.5% Black*3.3% Native American*2.6% Asian*0.2% Native Hawaiian or Pacific Islander*3.7% Two or more races*12.4% Other races*34.6% Hispanic or Latino -2000:...	Arizona Arizona Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...	23,792.33	9,186.27	843,746	35	92	980,263	41	107	136,517	16.18	1.51	Tucson Tucson, Arizona Tucson is a city in and the county seat of Pima County, Arizona, United States. The city is located 118 miles southeast of Phoenix and 60 miles north of the U.S.-Mexico border. The 2010 United States Census puts the city's population at 520,116 with a metropolitan area population at 1,020,200...
42	Montgomery County Montgomery County, Maryland Montgomery County is a county in the U.S. state of Maryland, situated just to the north of Washington, D.C., and southwest of the city of Baltimore. It is one of the most affluent counties in the United States, and has the highest percentage of residents over 25 years of age who hold post-graduate...	Maryland Maryland Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...	1,283.39	495.52	873,341	680	1,762	971,777	757	1,961	98,436	11.27	1.07	Rockville Rockville, Maryland Rockville is the county seat of Montgomery County, Maryland, United States. It is a major incorporated city in the central part of Montgomery County and forms part of the Baltimore-Washington Metropolitan Area. The 2010 U.S...
43	Honolulu County Honolulu County, Hawaii The City and County of Honolulu is a consolidated city–county located in the U.S. state of Hawaii. The municipality and county includes both the urban district of Honolulu and the rest of the island of Oahu, as well as several minor outlying islands, including all of the Northwestern Hawaiian...	Hawaii Hawaii Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...	1,553.40	599.77	876,156	564	1,461	953,207	614	1,589	77,051	8.79	0.85	Honolulu
44	Westchester County Westchester County, New York Westchester County is a county located in the U.S. state of New York. Westchester covers an area of and has a population of 949,113 according to the 2010 Census, residing in 45 municipalities...	New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...	1,121.00	432.82	923,459	824	2,134	949,113	847	2,193	25,654	2.78	0.27	White Plains White Plains, New York White Plains is a city and the county seat of Westchester County, New York, United States. It is located in south-central Westchester, about east of the Hudson River and northwest of Long Island Sound...
45	Milwaukee County	Wisconsin Wisconsin Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...	625.64	241.56	940,164	1,503	3,892	947,735	1,515	3,923	7,571	0.81	0.08	Milwaukee
46	Fresno County Fresno County, California Fresno County is a county located in the Central Valley of the U.S. state of California, south of Stockton and north of Bakersfield. As of the 2010 census, it is the tenth most populous county in California with a population of 930,450, and the sixth largest in size with an area of . The county...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	15,443.40	5,962.73	799,407	52	134	930,450	60	156	131,043	16.39	1.53	Fresno Fresno, California Fresno is a city in central California, United States, the county seat of Fresno County. As of the 2010 census, the city's population was 510,365, making it the fifth largest city in California, the largest inland city in California, and the 34th largest in the nation...
47	Shelby County Shelby County, Tennessee Shelby County is a county located in the U.S. state of Tennessee. It is the state's largest both in terms of population and geographic area, with a population of 927,644 at the 2010 census...	Tennessee Tennessee Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...	1,954.22	754.53	897,472	459	1,189	927,644	475	1,229	30,172	3.36	0.33	Memphis Memphis, Tennessee Memphis is a city in the southwestern corner of the U.S. state of Tennessee, and the county seat of Shelby County. The city is located on the 4th Chickasaw Bluff, south of the confluence of the Wolf and Mississippi rivers....
48	Fulton County Fulton County, Georgia Fulton County is a county located in the U.S. state of Georgia. Its county seat is Atlanta, the state capital since 1868 and the principal county of the Atlanta metropolitan area...	Georgia Georgia (U.S. state) Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...	1,369.22	528.66	816,006	596	1,544	920,581	672	1,741	104,575	12.82	1.21	Atlanta
49	Mecklenburg County Mecklenburg County, North Carolina -Air:The county's primary commercial aviation airport is Charlotte Douglas International Airport in Charlotte.- Intercity rail :With twenty-five freight trains a day, Mecklenburg is a freight railroad transportation center, largely due to its place on the NS main line between Washington and Atlanta...	North Carolina North Carolina North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...	1,363.06	526.28	695,454	510	1,321	919,628	675	1,747	224,174	32.23	2.83	Charlotte Charlotte, North Carolina Charlotte is the largest city in the U.S. state of North Carolina and the seat of Mecklenburg County. In 2010, Charlotte's population according to the US Census Bureau was 731,424, making it the 17th largest city in the United States based on population. The Charlotte metropolitan area had a 2009...
50	Erie County Erie County, New York Erie County is a county located in the U.S. state of New York. As of the 2010 census, the population was 919,040. The county seat is Buffalo. The county's name comes from Lake Erie, which in turn comes from the Erie tribe of American Indians who lived south and east of the lake before 1654.Erie...	New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...	2,704.49	1,044.21	950,265	351	910	919,040	340	880	-31,225	-3.29	-0.33	Buffalo Buffalo, New York Buffalo is the second most populous city in the state of New York, after New York City. Located in Western New York on the eastern shores of Lake Erie and at the head of the Niagara River across from Fort Erie, Ontario, Buffalo is the seat of Erie County and the principal city of the...
51	DuPage County DuPage County, Illinois As of the 2010 Census, the population of the county was 916,924, White Americans made up 77.9% of Dupage County's population; non-Hispanic whites represented 70.5% of the population. Black Americans made up 4.6% of the population. Native Americans made up 0.3% of Dupage County's population...	Illinois Illinois Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...	864.05	333.61	904,161	1,046	2,710	916,924	1,061	2,748	12,763	1.41	0.14	Wheaton Wheaton, Illinois Wheaton is an affluent community located in DuPage County, Illinois, approximately west of Chicago and Lake Michigan. Wheaton is the county seat of DuPage County...
52	Fairfield County Fairfield County, Connecticut Fairfield County is a county located in the southwestern corner of the U.S. state of Connecticut. The county population is 916,829 according to the 2010 Census. There are currently 1,465 people per square mile in the county. It is the most populous county in the State of Connecticut and contains...	Connecticut Connecticut Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...	1,620.82	625.80	882,567	545	1,410	916,829	566	1,465	34,262	3.88	0.38	Bridgeport Bridgeport, Connecticut Bridgeport is the most populous city in the U.S. state of Connecticut. Located in Fairfield County, the city had an estimated population of 144,229 at the 2010 United States Census and is the core of the Greater Bridgeport area...
53	Pinellas County Pinellas County, Florida Pinellas County is a county located in the state of Florida. Its county seat is Clearwater, Florida, and its largest city is St. Petersburg. This county is contained entirely within the telephone area code 727, except for some sections of Oldsmar, which have the area code 813...	Florida Florida Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...	724.99	279.92	921,482	1,271	3,292	916,542	1,264	3,274	-4,940	-0.54	-0.05	Clearwater Clearwater, Florida Clearwater is a city located in Pinellas County, Florida, US, nearly due west of Tampa and northwest of St. Petersburg. In the west of Clearwater lies the Gulf of Mexico and in the east lies Tampa Bay. As of the 2000 census, the city had a total population of 108,787. It is the county seat of...
54	Bergen County Bergen County, New Jersey Bergen County is the most populous county of the state of New Jersey, United States. As of the 2010 United States Census, its population was 905,116. The county is part of the New York City Metropolitan Area. Its county seat is Hackensack...	New Jersey New Jersey New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...	606.50	234.17	884,118	1,458	3,776	905,116	1,492	3,865	20,998	2.38	0.24	Hackensack Hackensack, New Jersey Hackensack is a city in Bergen County, New Jersey, United States and the county seat of Bergen County. Although informally called Hackensack, it was officially named New Barbadoes Township until 1921. As of the 2010 United States Census, the city population was 43,010....
55	Marion County Marion County, Indiana Marion County is a county located in the U.S. state of Indiana. Census 2010 recorded a population of 903,393, making it the largest county in the state and 55th most populated county in the country, greater than the population of six states. The county seat is Indianapolis, the state capital and...	Indiana Indiana Indiana is a US state, admitted to the United States as the 19th on December 11, 1816. It is located in the Midwestern United States and Great Lakes Region. With 6,483,802 residents, the state is ranked 15th in population and 16th in population density. Indiana is ranked 38th in land area and is...	1,026.28	396.25	860,454	838	2,171	903,393	880	2,280	42,939	4.99	0.49	Indianapolis Indianapolis Indianapolis is the capital of the U.S. state of Indiana, and the county seat of Marion County, Indiana. As of the 2010 United States Census, the city's population is 839,489. It is by far Indiana's largest city and, as of the 2010 U.S...
56	Wake County Wake County, North Carolina Wake County is a county located in the U.S. state of North Carolina. As of the 2010 census, the population was 900,993 making it North Carolina's second most populated county...	North Carolina North Carolina North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...	2,154.66	831.92	627,846	291	755	900,993	418	1,083	273,147	43.51	3.68	Raleigh Raleigh, North Carolina Raleigh is the capital and the second largest city in the state of North Carolina as well as the seat of Wake County. Raleigh is known as the "City of Oaks" for its many oak trees. According to the U.S. Census Bureau, the city's 2010 population was 403,892, over an area of , making Raleigh...
57	Hartford County Hartford County, Connecticut Hartford County is a county located in the north central part of the US state of Connecticut. The 2010 Census records show that the county population is at 894,014 making it the second most populated county in Connecticut....	Connecticut Connecticut Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...	1,904.78	735.44	857,183	450	1,166	894,014	469	1,216	36,831	4.30	0.42	Hartford Hartford, Connecticut Hartford is the capital of the U.S. state of Connecticut. The seat of Hartford County until Connecticut disbanded county government in 1960, it is the second most populous city on New England's largest river, the Connecticut River. As of the 2010 Census, Hartford's population was 124,775, making...
58	Duval County Duval County, Florida Duval County is a county located in the U.S. state of Florida. As of 2010, the population was 864,263. Its county seat is Jacksonville, with which the Duval County government has been consolidated since 1968...	Florida Florida Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...	2,003.80	773.67	778,879	389	1,007	864,263	431	1,117	85,384	10.96	1.05	Jacksonville Jacksonville, Florida Jacksonville is the largest city in the U.S. state of Florida in terms of both population and land area, and the largest city by area in the contiguous United States. It is the county seat of Duval County, with which the city government consolidated in 1968...
59	Prince George's County Prince George's County, Maryland Prince George's County is a county located in the U.S. state of Maryland, immediately north, east, and south of Washington, DC. As of 2010, it has a population of 863,420 and is the wealthiest African-American majority county in the nation....	Maryland Maryland Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...	1,257.26	485.43	801,515	638	1,651	863,420	687	1,779	61,905	7.72	0.75	Upper Marlboro Upper Marlboro, Maryland Upper Marlboro is a town in and the county seat of Prince George's County, Maryland, United States. The live-in population of the town core proper was only 648 at the 2000 census, although Greater Upper Marlboro is many times larger....
60	New Haven County New Haven County, Connecticut New Haven County is a county located in the south central part of the U.S. state of Connecticut. As of the 2010 Census, the county population is 862,477 making it the third most populated county in Connecticut. There are 1,340 people per square mile...	Connecticut Connecticut Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...	1,568.60	605.64	824,008	525	1,361	862,477	550	1,424	38,469	4.67	0.46	New Haven New Haven, Connecticut New Haven is the second-largest city in Connecticut and the sixth-largest in New England. According to the 2010 Census, New Haven's population increased by 5.0% between 2000 and 2010, a rate higher than that of the State of Connecticut, and higher than that of the state's five largest cities, and...
61	Macomb County Macomb County, Michigan -Demographics:As of the census of 2000, there were 788,149 people, 309,203 households, and 210,876 families residing in the county. The population density was 1,640 people per square mile . There were 320,276 housing units at an average density of 667 per square mile...	Michigan Michigan Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....	1,244.33	480.44	788,149	633	1,640	840,978	676	1,750	52,829	6.70	0.65	Mount Clemens Mount Clemens, Michigan Mount Clemens is a city in the U.S. state of Michigan. As of the 2000 census, the city population was 17,312. It is the county seat of Macomb County.-Early history:...
62	Kern County Kern County, California Spreading across the southern end of the California Central Valley, Kern County is the fifth-largest county by population in California. Its economy is heavily linked to agriculture and to petroleum extraction, and there is a strong aviation and space presence. Politically, it has generally...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	21,084.99	8,140.96	661,645	31	81	839,631	40	103	177,986	26.90	2.41	Bakersfield Bakersfield, California Bakersfield is a city near the southern end of the San Joaquin Valley in Kern County, California. It is roughly equidistant between Fresno and Los Angeles, to the north and south respectively....
63	Ventura County Ventura County, California Ventura County is a county in the southern part of the U.S. state of California. It is located on California's Pacific coast. It is often referred to as the Gold Coast, and has a reputation of being one of the safest populated places and one of the most affluent places in the country...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	4,779.31	1,845.30	753,197	158	408	823,318	172	446	70,121	9.31	0.89	Ventura Ventura, California Ventura is the county seat of Ventura County, California, United States, incorporated in 1866. The population was 106,433 at the 2010 census, up from 100,916 at the 2000 census. Ventura is accessible via U.S...
64	Middlesex County Middlesex County, New Jersey -Demographics:As of the census of 2000, there were 750,162 people, 265,815 households, and 190,855 families residing in the county. The population density was 2,422 people per square mile . There were 273,637 housing units at an average density of 884 per square mile...	New Jersey New Jersey New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...	802.17	309.72	750,162	935	2,422	809,858	1,010	2,615	59,696	7.96	0.77	New Brunswick New Brunswick, New Jersey New Brunswick is a city in Middlesex County, New Jersey, USA. It is the county seat and the home of Rutgers University. The city is located on the Northeast Corridor rail line, southwest of Manhattan, on the southern bank of the Raritan River. At the 2010 United States Census, the population of...
65	Gwinnett County Gwinnett County, Georgia , Gwinnett County had a population of 805,321. The racial and ethnic composition of the population was 53.3% white , 23.6% black , 2.7% Korean, 2.6% Asian Indian, 2.0% Vietnamese, 3.3% other Asian, 0.1% Pacific Islander, 8.8% some other race and 3.1% from two or more races...	Georgia Georgia (U.S. state) Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...	1,120.77	432.73	588,448	525	1,360	805,321	719	1,861	216,873	36.86	3.19	Lawrenceville Lawrenceville, Georgia Lawrenceville is a city in and the county seat of Gwinnett County, Georgia, in the United States. The Census Bureau estimates the 2008 population at 29,258...
66	San Francisco County	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	120.93	46.69	776,733	6,423	16,636	805,235	6,659	17,246	28,502	3.67	0.36	San Francisco
67	Baltimore County Baltimore County, Maryland Baltimore County is a county located in the northern part of the US state of Maryland. In 2010, its population was 805,029. It is part of the Baltimore-Washington Metropolitan Area. Its county seat is Towson. The name of the county was derived from the barony of the Proprietor of the Maryland...	Maryland Maryland Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...	1,550.34	598.59	754,292	487	1,260	805,029	519	1,345	50,737	6.73	0.65	Towson Towson, Maryland Towson is an unincorporated community and a census-designated place in Baltimore County, Maryland, United States. The population was 55,197 at the 2010 census...
68	Hamilton County Hamilton County, Ohio As of 2000, there were 845,303 people, 346,790 households, and 212,582 families residing in the county. The population density was 2,075 people per square mile . There were 373,393 housing units at an average density of 917 per square mile...	Ohio Ohio Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...	1,055.06	407.36	845,303	801	2,075	802,374	761	1,970	-42,929	-5.08	-0.52	Cincinnati
69	El Paso County	Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...	2,623.94	1,013.11	679,622	259	671	800,647	305	790	121,025	17.81	1.65	El Paso El Paso, Texas El Paso, is a city in and the county seat of El Paso County, Texas, United States, and lies in far West Texas. In the 2010 census, the city had a population of 649,121. It is the sixth largest city in Texas and the 19th largest city in the United States...
70	Montgomery County Montgomery County, Pennsylvania Montgomery County is a county located in the U.S. state of Pennsylvania, in the United States. As of 2010, the population was 799,874, making it the third most populous county in Pennsylvania . The county seat is Norristown.The county was created on September 10, 1784, out of land originally part...	Pennsylvania Pennsylvania The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...	1,251.28	483.12	750,097	599	1,553	799,874	639	1,656	49,777	6.64	0.64	Norristown Norristown, Pennsylvania Norristown is a municipality in Montgomery County, Pennsylvania, northwest of the city limits of Philadelphia, on the Schuylkill River. The population was 34,324 as of the 2010 census. It is the county seat of Montgomery County...
71	Worcester County Worcester County, Massachusetts -Demographics:In 1990 Worcester County had a population of 709,705.As of the census of 2000, there were 750,963 people, 283,927 households, and 192,502 families residing in the county. The population density was 496 people per square mile . There were 298,159 housing units at an average density...	Massachusetts Massachusetts The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...	3,918.81	1,513.06	750,963	192	496	798,552	204	528	47,589	6.34	0.62	Worcester Worcester, Massachusetts Worcester is a city and the county seat of Worcester County, Massachusetts, United States. Named after Worcester, England, as of the 2010 Census the city's population is 181,045, making it the second largest city in New England after Boston....
72	Pierce County Pierce County, Washington right|thumb|[[Tacoma, Washington|Tacoma]] - Seat of Pierce CountyPierce County is the second most populous county in the U.S. state of Washington. Formed out of Thurston County on December 22, 1852, by the legislature of Oregon Territory...	Washington	4,348.36	1,678.91	700,820	161	417	795,225	183	474	94,405	13.47	1.27	Tacoma Tacoma, Washington Tacoma is a mid-sized urban port city and the county seat of Pierce County, Washington, United States. The city is on Washington's Puget Sound, southwest of Seattle, northeast of the state capital, Olympia, and northwest of Mount Rainier National Park. The population was 198,397, according to...
73	Essex County Essex County, New Jersey Essex County is a county located in the northeastern part of the U.S. state of New Jersey. As of the United States 2010 Census, the population was 783,969, ranking it third in the state after Bergen County and Middlesex County; Essex County's population has declined from 786,147 as of the bureau's...	New Jersey New Jersey New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...	327.04	126.27	793,633	2,427	6,285	783,969	2,397	6,209	-9,664	-1.22	-0.12	Newark Newark, New Jersey Newark is the largest city in the American state of New Jersey, and the seat of Essex County. As of the 2010 United States Census, Newark had a population of 277,140, maintaining its status as the largest municipality in New Jersey. It is the 68th largest city in the U.S...
74	Collin County Collin County, Texas As of the census of 2000, there were 491,675 people, 181,970 households, and 132,292 families residing in the county. The population density was 580 people per square mile . There were 194,892 housing units at an average density of 230 per square mile...	Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...	2,195.17	847.56	491,675	224	580	782,341	356	923	290,666	59.12	4.75	McKinney McKinney, Texas McKinney is a city in and the county seat of Collin County, Texas, United States, and the second in population to Plano. According to the U.S. Census Bureau, the city's 2010 population was 131,117 The Census Bureau listed McKinney as the nation's fastest growing city from 2000 to 2003 and again in...
75	Hidalgo County Hidalgo County, Texas Hidalgo County is a county located in the U.S. state of Texas. Located in the Rio Grande Valley of South Texas, Hidalgo County is one of the fastest-growing counties in the United States, and is the seventh most-populous county in Texas. Its population in 2010 was 774,769, a 35% increase from 2000...	Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...	4,065.63	1,569.75	569,463	140	363	774,769	191	494	205,306	36.05	3.13	Edinburg Edinburg, Texas Edinburg is a city in and the county seat of Hidalgo County, Texas, United States. The population was 77,100 at the 2010 census. The University of Texas–Pan American, the only fully accredited four-year university in the Rio Grande Valley, is located in Edinburg.Edinburg is part of the...
76	Monroe County Monroe County, New York Monroe County is a county located in the U.S. state of New York. As of the 2010 census, the population was 744,344. It is named after James Monroe, fifth President of the United States of America. Its county seat is the city of Rochester....	New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...	1,707.55	659.29	735,343	431	1,115	744,344	436	1,129	9,001	1.22	0.12	Rochester Rochester, New York Rochester is a city in Monroe County, New York, south of Lake Ontario in the United States. Known as The World's Image Centre, it was also once known as The Flour City, and more recently as The Flower City...
77	Essex County Essex County, Massachusetts -National protected areas:* Parker River National Wildlife Refuge* Salem Maritime National Historic Site* Saugus Iron Works National Historic Site* Thacher Island National Wildlife Refuge-Demographics:...	Massachusetts Massachusetts The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...	1,296.73	500.67	723,419	558	1,445	743,159	573	1,484	19,740	2.73	0.27	Salem Salem, Massachusetts Salem is a city in Essex County, Massachusetts, United States. The population was 40,407 at the 2000 census. It and Lawrence are the county seats of Essex County...  and Lawrence Lawrence, Massachusetts Lawrence is a city in Essex County, Massachusetts, United States on the Merrimack River. According to the 2010 U.S. Census, the city had a total population of 76,377. Surrounding communities include Methuen to the north, Andover to the southwest, and North Andover to the southeast. It and Salem are...
78	Jefferson County Jefferson County, Kentucky As of the census of 2000, there were 693,604 people, 287,012 households, and 183,113 families residing in the county. The population density was . There were 305,835 housing units at an average density of...	Kentucky Kentucky The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...	997.38	385.09	693,604	695	1,801	741,096	743	1,924	47,492	6.85	0.66	Louisville Louisville, Kentucky Louisville is the largest city in the U.S. state of Kentucky, and the county seat of Jefferson County. Since 2003, the city's borders have been coterminous with those of the county because of a city-county merger. The city's population at the 2010 census was 741,096...
79	Multnomah County Multnomah County, Oregon Multnomah County is one of 36 counties in the U.S. state of Oregon. Though smallest in area, it is the most populous as its county seat, Portland, is the state's largest city...	Oregon Oregon Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...	1,127.24	435.23	660,486	586	1,518	735,334	652	1,690	74,848	11.33	1.08	Portland Portland, Oregon Portland is a city located in the Pacific Northwest, near the confluence of the Willamette and Columbia rivers in the U.S. state of Oregon. As of the 2010 Census, it had a population of 583,776, making it the 29th most populous city in the United States...
80	Suffolk County Suffolk County, Massachusetts Suffolk County has no land border with Plymouth County to its southeast, but the two counties share a water boundary in the middle of Massachusetts Bay.-National protected areas:*Boston African American National Historic Site...	Massachusetts Massachusetts The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...	151.57	58.52	689,807	4,551	11,788	722,023	4,764	12,338	32,216	4.67	0.46	Boston Boston Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region. The city proper had...
81	Oklahoma County Oklahoma County, Oklahoma Oklahoma County is a county located in the central partof the U.S. state of Oklahoma. The population was 718,633 at the 2010 census. The county seat and principal city is Oklahoma City...	Oklahoma Oklahoma Oklahoma is a state located in the South Central region of the United States of America. With an estimated 3,751,351 residents as of the 2010 census and a land area of 68,667 square miles , Oklahoma is the 28th most populous and 20th-largest state...	1,836.54	709.09	660,448	360	931	718,633	391	1,013	58,185	8.81	0.85	Oklahoma City Oklahoma city Oklahoma City is the capital and largest city of the U.S. state of Oklahoma.Oklahoma City may also refer to:*Oklahoma City metropolitan area*Downtown Oklahoma City*Uptown Oklahoma City*Oklahoma City bombing*Oklahoma City National Memorial...
82	San Mateo County San Mateo County, California San Mateo County is a county located in the San Francisco Bay Area of the U.S. state of California. It covers most of the San Francisco Peninsula just south of San Francisco, and north of Santa Clara County. San Francisco International Airport is located at the northern end of the county, and...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	1,163.09	449.07	707,161	608	1,575	718,451	618	1,600	11,290	1.60	0.16	Redwood City Redwood City, California Redwood City is a California charter city located on the San Francisco Peninsula in Northern California, approximately 27 miles south of San Francisco, and 24 miles north of San Jose. Redwood City's history spans from its earliest inhabitation by the Ohlone people, to its tradition as a port for...
83	Snohomish County Snohomish County, Washington Snohomish County is a county located in the U.S. state of Washington. It is named after the Snohomish tribe. Since 2000, the county's population has grown from 606,024 to 713,335 residents , making it one of the fastest-growing in the state, ranking third in overall population after King and...	Washington	5,410.64	2,089.06	606,024	112	290	713,335	132	341	107,311	17.71	1.64	Everett Everett, Washington Everett is the county seat of and the largest city in Snohomish County, Washington, United States. Named for Everett Colby, son of founder Charles L. Colby, it lies north of Seattle. The city had a total population of 103,019 at the 2010 census, making it the 6th largest in the state and...
84	Lake County Lake County, Illinois Lake County is a county in the northeastern corner of the state of Illinois, on the shore of Lake Michigan. According to the 2010 census, it has a population of 703,462, which is an increase of 9.2% from 644,356 in 2000. Its county seat is Waukegan. The county is part of the Chicago metropolitan area...	Illinois Illinois Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...	1,159.18	447.56	644,356	556	1,440	703,462	607	1,572	59,106	9.17	0.88	Waukegan Waukegan, Illinois Waukegan is a city and county seat of Lake County, Illinois. As of the 2000 census, the city had a total population of 87,901. The 2010 population was 89,078. It is the ninth-largest city in Illinois by population...
85	DeKalb County DeKalb County, Georgia DeKalb County is a county located in the U.S. state of Georgia. The population of the county was 691,893 at the 2010 census. Its county seat is the city of Decatur. It is bordered to the west by Fulton County and contains roughly 10% of the city of Atlanta...	Georgia Georgia (U.S. state) Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...	694.66	268.21	665,865	959	2,483	691,893	996	2,580	26,028	3.91	0.38	Decatur Decatur, Georgia Decatur is a city in, and county seat of, DeKalb County, Georgia, United States. With a population of 19,335 in the 2010 census, the city is sometimes assumed to be larger since multiple zip codes in unincorporated DeKalb County bear the Decatur name...
86	Cobb County Cobb County, Georgia Cobb County is a county located in the U.S. state of Georgia. Its county seat and largest city is Marietta, which is located in the center of the county. The county was named for Thomas Willis Cobb, who in the early 19th century was a United States representative and senator from Georgia...	Georgia Georgia (U.S. state) Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...	880.98	340.15	607,751	690	1,787	688,078	781	2,023	80,327	13.22	1.25	Marietta Marietta, Georgia Marietta is a city located in central Cobb County, Georgia, United States, and is its county seat.As of the 2010 census, the city had a total population of 56,579, making it one of metro Atlanta's largest suburbs...
87	San Joaquin County San Joaquin County, California San Joaquin County is a county located in Central Valley of the U.S. state of California, just east of the San Francisco Bay Area. As of the 2010 census, the population was 685,306. The county seat is Stockton.-History:...	California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	3,624.12	1,399.28	563,598	156	403	685,306	189	490	121,708	21.59	1.97	Stockton Stockton, California Stockton, California, the seat of San Joaquin County, is the fourth-largest city in the Central Valley of the U.S. state of California. With a population of 291,707 at the 2010 census, Stockton ranks as this state's 13th largest city...
88	Will County Will County, Illinois As of the census of 2000, there were 502,266 people, 167,542 households, and 131,017 families residing in the county. The population density was 600 people per square mile . There were 175,524 housing units at an average density of 210 per square mile...	Illinois Illinois Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...	2,167.67	836.94	502,266	232	600	677,560	313	810	175,294	34.90	3.04	Joliet Joliet, Illinois Joliet is a city in Will and Kendall Counties in the U.S. state of Illinois, located southwest of Chicago. It is the county seat of Will County. As of the 2010 census, the city was the fourth-most populated in Illinois, with a population of 147,433. It continues to be Illinois' fastest growing...
89	Jackson County Jackson County, Missouri Jackson County is a county located in the U.S. state of Missouri. With a population of 674,158 in the 2010 census, Jackson County is the second most populous of Missouri's counties, after St. Louis County. Kansas City, the state's most populous city and focus city of the Kansas City Metropolitan...	Missouri Missouri Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...	1,566.53	604.84	654,880	418	1,083	674,158	430	1,115	19,278	2.94	0.29	Independence Independence, Missouri Independence is the fourth largest city in the U.S. state of Missouri, and is contained within the counties of Jackson and Clay. It is part of the Kansas City Metropolitan Area...
90	Norfolk County Norfolk County, Massachusetts -National protected areas:* Adams National Historical Park* Boston Harbor Islands National Recreation Area * Frederick Law Olmsted National Historic Site* John Fitzgerald Kennedy National Historic Site-Demographics:...	Massachusetts Massachusetts The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...	1,034.91	399.58	650,308	628	1,627	670,850	648	1,679	20,542	3.16	0.31	Dedham Dedham, Massachusetts Dedham is a town in and the county seat of Norfolk County, Massachusetts, United States. The population was 24,729 at the 2010 census. It is located on Boston's southwest border. On the northwest it is bordered by Needham, on the southwest by Westwood and on the southeast by...
91	Denton County Denton County, Texas Denton County is a county located in the U.S. state of Texas. In 2000, its population was 432,976; in 2009 the estimated population had reached 628,300. Part of the Dallas – Fort Worth Metroplex, it is one of the fastest-growing counties in the United States. The county seat is Denton. The county...	Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...	2,301.31	888.54	432,976	188	487	662,614	288	746	229,638	53.04	4.35	Denton Denton, Texas The city of Denton is the county seat of Denton County, Texas in the United States. Its population was 119,454 according to the 2010 U.S. Census, making it the eleventh largest city in the Dallas/Fort Worth Metroplex...
92	Bernalillo County Bernalillo County, New Mexico -2010:Whereas according to the 2010 U.S. Census Bureau:*69.4% White*3.0% Black*4.8% Native American*2.3% Asian*0.1% Native Hawaiian or Pacific Islander*4.4% Two or more races*16.0% Other races*47.9% Hispanic or Latino -2000:...	New Mexico New Mexico New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...	3,020.00	1,166.03	556,678	184	477	662,564	219	568	105,886	19.02	1.76	Albuquerque Albuquerque, New Mexico Albuquerque is the largest city in the state of New Mexico, United States. It is the county seat of Bernalillo County and is situated in the central part of the state, straddling the Rio Grande. The city population was 545,852 as of the 2010 Census and ranks as the 32nd-largest city in the U.S. As...
93	Jefferson County Jefferson County, Alabama Jefferson County is the most populous county in the U.S. state of Alabama, with its county seat being located in Birmingham.As of the 2010 U.S. Census, the population of Jefferson County was 658,466...	Alabama Alabama Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...	2,881.65	1,112.61	662,047	230	595	658,466	229	592	-3,581	-0.54	-0.05	Birmingham Birmingham, Alabama Birmingham is the largest city in Alabama. The city is the county seat of Jefferson County. According to the 2010 United States Census, Birmingham had a population of 212,237. The Birmingham-Hoover Metropolitan Area, in estimate by the U.S...
94	Hudson County Hudson County, New Jersey Hudson County is the smallest county in New Jersey and one of the most densely populated in United States. It takes its name from the Hudson River, which creates part of its eastern border. Part of the New York metropolitan area, its county seat and largest city is Jersey City.- Municipalities...	New Jersey New Jersey New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...	120.93	46.69	608,975	5,036	13,043	634,266	5,245	13,585	25,291	4.15	0.41	Jersey City Jersey City, New Jersey Jersey City is the seat of Hudson County, New Jersey, United States.Part of the New York metropolitan area, Jersey City lies between the Hudson River and Upper New York Bay across from Lower Manhattan and the Hackensack River and Newark Bay...
95	Monmouth County Monmouth County, New Jersey Monmouth County is a county located in the U.S. state of New Jersey, within the New York metropolitan area. As of the 2010 Census, the population was 630,380, up from 615,301 at the 2000 census. Its county seat is Freehold Borough. The most populous municipality is Middletown Township with...	New Jersey New Jersey New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...	1,222.32	471.94	615,301	503	1,304	630,380	516	1,336	15,079	2.45	0.24	Freehold Borough Freehold Borough, New Jersey Freehold is a borough in Monmouth County, New Jersey, United States. As of the 2010 United States Census, the borough population was 12,052. It is the county seat of Monmouth County....
96	Davidson County Davidson County, Tennessee Davidson County is a county located in the U.S. state of Tennessee. As of 2010, the population was 626,681. Its county seat is Nashville.In 1963, the City of Nashville and the Davidson County government merged, so the county government is now known as the "Metropolitan Government of Nashville and...	Tennessee Tennessee Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...	1,300.85	502.26	569,891	438	1,135	626,681	482	1,248	56,790	9.97	0.95	Nashville Nashville, Tennessee Nashville is the capital of the U.S. state of Tennessee and the county seat of Davidson County. It is located on the Cumberland River in Davidson County, in the north-central part of the state. The city is a center for the health care, publishing, banking and transportation industries, and is home...
97	Providence County Providence County, Rhode Island -Demographics:As of the census of 2000, there were 621,602 people, 239,936 households, and 152,839 families residing in the county. The population density was 1,504 people per square mile . There were 253,214 housing units at an average density of 613 per square mile...	Rhode Island Rhode Island The state of Rhode Island and Providence Plantations, more commonly referred to as Rhode Island , is a state in the New England region of the United States. It is the smallest U.S. state by area...	1,070.36	413.27	621,602	581	1,504	626,667	585	1,516	5,065	0.81	0.08	Providence Providence, Rhode Island Providence is the capital and most populous city of Rhode Island and was one of the first cities established in the United States. Located in Providence County, it is the third largest city in the New England region...
98	Bucks County Bucks County, Pennsylvania - Industry and commerce :The boroughs of Bristol and Morrisville were prominent industrial centers along the Northeast Corridor during World War II. Suburban development accelerated in Lower Bucks in the 1950s with the opening of Levittown, Pennsylvania, the second such "Levittown" designed by...	Pennsylvania Pennsylvania The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...	1,573.11	607.38	597,635	380	984	625,249	397	1,029	27,614	4.62	0.45	Doylestown Doylestown, Pennsylvania Doylestown is a borough in Bucks County, Pennsylvania, north of Philadelphia. As of the 2010 census, the borough population was 8,380. The borough is the county seat of Bucks County.- History :...
99	El Paso County El Paso County, Colorado El Paso County is the most populous of the 64 counties of the state of Colorado of the United States, now more populous than Denver County. The United States Census Bureau concluded that the county population was 622,371 in 2010. In recent years, the population had come closer to that of Denver...	Colorado Colorado Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...	5,507.48	2,126.45	516,929	94	243	622,263	113	293	105,334	20.38	1.87	Colorado Springs Colorado Springs, Colorado Colorado Springs is a Home Rule Municipality that is the county seat and most populous city of El Paso County, Colorado, United States. Colorado Springs is located in South-Central Colorado, in the southern portion of the state. It is situated on Fountain Creek and is located south of the Colorado...
100	Baltimore City Baltimore Baltimore is the largest independent city in the United States and the largest city and cultural center of the US state of Maryland. The city is located in central Maryland along the tidal portion of the Patapsco River, an arm of the Chesapeake Bay. Baltimore is sometimes referred to as Baltimore...	Maryland Maryland Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...	209.27	80.80	651,154	3,112	8,059	620,961	2,967	7,685	-30,193	-4.64	-0.47	Baltimore Baltimore Baltimore is the largest independent city in the United States and the largest city and cultural center of the US state of Maryland. The city is located in central Maryland along the tidal portion of the Patapsco River, an arm of the Chesapeake Bay. Baltimore is sometimes referred to as Baltimore...
Rank	County	State	Land area (km²)	Land area (mi²)	April 1, 2000 census	2000 density (/km²)	2000 density (/mi²)	April 1, 2010 census	2010 density (/km²)	2010 density (/mi²)	Absolute decennial change	Decennial change (%)	Average annual change (%)	County seat County seat A county seat is an administrative center, or seat of government, for a county or civil parish. The term is primarily used in the United States.... or courthouse