Jefferson County
Encyclopedia
Jefferson County is the name of 25 counties and one parish in the United States:
- Jefferson County, AlabamaJefferson County, AlabamaJefferson 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...
- Jefferson County, ArkansasJefferson County, ArkansasJefferson County is a county located in the U.S. state of Arkansas. Its population was 77,435 at the 2010 United States Census. It is included in the Pine Bluff Metropolitan Statistical Area. Jefferson County's county seat and largest city is Pine Bluff...
- Jefferson County, ColoradoJefferson County, ColoradoJefferson County , whose slogan is the "Gateway to the Rocky Mountains", is the fourth most populous of the 64 counties of the State of Colorado of the United States. Located along the Front Range of the Rocky Mountains, Jefferson County is adjacent to the west side of the state capital, Denver....
- Jefferson County, FloridaJefferson County, FloridaJefferson County is a county located in the U.S. state of Florida. As of 2000, the population is 12,902. The U.S. Census Bureau 2005 estimate for the county is 14,490 . Its county seat is Monticello, Florida....
- Jefferson County, GeorgiaJefferson County, GeorgiaJefferson County is a county located in the U.S. state of Georgia. It was created on February 20, 1796. As of 2000, the population was 17,266. The 2007 Census Estimate shows a population of 16,454...
- Jefferson County, IdahoJefferson County, IdahoJefferson County is a county located in the U.S. state of Idaho. The county was established in 1913, and was named after Thomas Jefferson, the third U.S. President. As of the 2000 Census the county had a population of 19,155 . The county seat and largest city is Rigby...
- Jefferson County, IllinoisJefferson County, IllinoisJefferson County is a county located in the southern part of the U.S. state of Illinois. According to the 2010 census, it has a population of 38,827, which is a decrease of 3.0% from 40,045 in 2000...
- Jefferson County, IndianaJefferson County, IndianaJefferson County is a county located in the U.S. state of Indiana. As of 2010, the population was 32,428. The county seat is Madison.-History:Jefferson County was formed in 1811...
- Jefferson County, IowaJefferson County, Iowa-2010 census:The 2010 census recorded a population of 16,843 in the county, with a population density of . There were 7,594 housing units, of which 6,846 were occupied.-2000 census:...
- Jefferson County, KansasJefferson County, KansasJefferson County is a county located in Northeast Kansas, in the Central United States. As of the 2010 census, the county population was 19,126. Its county seat is Oskaloosa, and its most populous city is Valley Falls...
- Jefferson County, KentuckyJefferson County, KentuckyAs 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...
- Jefferson Parish, LouisianaJefferson Parish, LouisianaJefferson Parish is a parish in Louisiana, United States that includes most of the suburbs of New Orleans. The seat of parish government is Gretna....
- Jefferson County, MississippiJefferson County, Mississippi-National protected areas:* Homochitto National Forest * Natchez Trace Parkway -Demographics:As of the census of 2000, there were 9,740 people, 3,308 households, and 2,338 families residing in the county. The population density was 19 people per square mile . There were 3,819 housing units at an...
- Jefferson County, MissouriJefferson County, MissouriJefferson County is a county located in East Central Missouri in the United States. The county was included as the mean center of U.S. population in 1980. It is the sixth most-populous county in Missouri. Census 2010 put the population at 218,733 Its county seat is Hillsboro. The county was...
- Jefferson County, MontanaJefferson County, Montana-National protected areas:*Deerlodge National Forest *Helena National Forest -Demographics:As of the census of 2000, there were 10,049 people, 3,747 households, and 2,847 families residing in the county. The population density was 6 people per square mile . There were 4,199 housing units at an...
- Jefferson County, NebraskaJefferson County, Nebraska-Demographics:As of the census of 2000, there were 8,333 people, 3,527 households, and 2,352 families residing in the county. The population density was 14 people per square mile . There were 3,942 housing units at an average density of 7 per square mile...
- Jefferson County, New YorkJefferson County, New YorkJefferson County is a county located in the U.S. state of New York. As of the 2010 census, the population was 116,229. It is named after Thomas Jefferson, third President of the United States of America, and president at the time the county was created in 1805...
- Jefferson County, OhioJefferson County, OhioJefferson County is a county located in the state of Ohio. As of 2010, the population was 69,709. Its county seat is Steubenville and is named for Thomas Jefferson, who was at the time Vice President....
- Jefferson County, OklahomaJefferson County, OklahomaJefferson County is a county located in the U.S. state of Oklahoma. As of 2000, the population was 6,818. Its county seat is Waurika.-Geography:...
- Jefferson County, OregonJefferson County, OregonJefferson County is a county located in the U.S. state of Oregon. In 2010, its population was 21,720. It is named after Mount Jefferson. The seat of the county is Madras.-History:...
- Jefferson County, PennsylvaniaJefferson County, PennsylvaniaJefferson County is a county located in the U.S. state of Pennsylvania. In 2010, its population was 45,200. It was established on March 26, 1804, from part of Lycoming County and named for then-President Thomas Jefferson. Its county seat is Brookville...
- Jefferson County, TennesseeJefferson County, Tennessee*...
- Jefferson County, TexasJefferson County, TexasJefferson County is a county located in the state of Texas, United States. As of 2000, the population was 252,051. Its county seat is Beaumont, and it is named for the former U.S...
- Jefferson County, WashingtonJefferson County, WashingtonJefferson County is a county located in the U.S. state of Washington, named after Thomas Jefferson. As of 2010, the population was 29,872. The county seat is at Port Townsend, which is also the county's only incorporated city....
- Jefferson County, West VirginiaJefferson County, West VirginiaJefferson County is a county located in the U.S. state of West Virginia. As of 2010, the population was 53,498. Its county seat is Charles Town...
- Jefferson County, WisconsinJefferson County, WisconsinJefferson County is a county located in the U.S. state of Wisconsin. As of 2000, the population was 74,021. Its county seat is Jefferson.-Geography:According to the U.S...
See also
- Jefferson Davis Parish, LouisianaJefferson Davis Parish, LouisianaJefferson Davis Parish is a parish located in the U.S. state of Louisiana. The parish seat is Jennings. As of 2000, its population was 31,435. Jefferson Davis Parish is named after the president of the Confederacy during the American Civil War, Jefferson Davis. It is located in southwestern...
- Jefferson Davis County, MississippiJefferson Davis County, Mississippi-Demographics:As of the census of 2000, there were 13,962 people, 5,177 households, and 3,768 families residing in the county. The population density was 34 people per square mile . There were 5,891 housing units at an average density of 14 per square mile...