Johnson County, Iowa
Encyclopedia
2010 census
The 2010 census recorded a population of 130,882 in the county, with a population density of . There were 55,967 housing units, of which 52,715 were occupied.2000 census
Census
A census is the procedure of systematically acquiring and recording information about the members of a given population. It is a regularly occurring and official count of a particular population. The term is used mostly in connection with national population and housing censuses; other common...
of 2000, there were 111,006 people, 44,080 households, and 23,582 families residing in the county. The population density
Population density
Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans...
was 181 people per square mile (70/km²). There were 45,831 housing units at an average density of 75 per square mile (29/km²). The racial makeup of the county was 90.13% White
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, 2.90% Black
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
or African American
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, 0.28% Native American
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, 4.12% Asian
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, 0.04% Pacific Islander
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, 1.01% from other races
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
, and 1.51% from two or more races. 2.51% of the population were Hispanic
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
or Latino
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...
of any race.
There were 44,080 households out of which 26.50% had children under the age of 18 living with them, 43.90% were married couples
Marriage
Marriage is a social union or legal contract between people that creates kinship. It is an institution in which interpersonal relationships, usually intimate and sexual, are acknowledged in a variety of ways, depending on the culture or subculture in which it is found...
living together, 6.80% had a female householder with no husband present, and 46.50% were non-families. 30.20% of all households were made up of individuals and 5.60% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.97.
In the county the population was spread out with 20.10% under the age of 18, 23.40% from 18 to 24, 30.80% from 25 to 44, 18.20% from 45 to 64, and 7.40% who were 65 years of age or older. The median age was 28 years. For every 100 females there were 99.10 males. For every 100 females age 18 and over, there were 97.30 males.
The median income for a household in the county was $40,060, and the median income for a family was $60,112. Males had a median income of $36,279 versus $29,793 for females. The per capita income
Per capita income
Per capita income or income per person is a measure of mean income within an economic aggregate, such as a country or city. It is calculated by taking a measure of all sources of income in the aggregate and dividing it by the total population...
for the county was $22,220. About 5.20% of families and 15.00% of the population were below the poverty line, including 8.10% of those under age 18 and 3.80% of those age 65 or over.
Notable natives
- John T. StrubleJohn T. StrubleJohn T. Struble was a builder and farmer during the formative years of the state of Iowa. He was an older brother of two prominent Iowa politicians: Congressman Isaac S. Struble and Speaker of the Iowa House of Representatives George R...
(1831–1916) early builder and farmer. - Grant WoodGrant WoodGrant DeVolson Wood was an American painter, born four miles east of Anamosa, Iowa. He is best known for his paintings depicting the rural American Midwest, particularly the painting American Gothic, an iconic image of the 20th century.- Life and career :His family moved to Cedar Rapids after his...
, painter.
Cities
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North Liberty, Iowa North Liberty is a city in Johnson County, Iowa, United States. It is a suburb of Iowa City and part of the Iowa City Metropolitan Statistical Area.... Oxford, Iowa Oxford is a city in Johnson County, Iowa, United States. It is part of the Iowa City, Iowa Metropolitan Statistical Area. The population was 705 at the 2000 census.-Geography:Oxford is located at .... Shueyville, Iowa Shueyville is a city in Johnson County, Iowa, United States. It is part of the Iowa City, Iowa Metropolitan Statistical Area. The population was 250 at the 2000 census.-Geography:Shueyville is located at .... Solon, Iowa Solon is a city located in Johnson County, Iowa, United States. Part of the Iowa City, Iowa Metropolitan Statistical Area, it is located a few miles from Lake MacBride State Park and the larger cities of Coralville and Iowa City. The population was 1,177 at the 2000 census.-History:Solon is named... |
Swisher, Iowa Swisher is a city in Johnson County, Iowa, United States. It part of the Iowa City, Iowa Metropolitan Statistical Area. The population was 813 at the 2000 census.-Geography:Swisher is located at .... Tiffin, Iowa Tiffin is a city in Johnson County, Iowa, United States. It is part of the Iowa City, Iowa Metropolitan Statistical Area. The population was 975 at the 2000 census. In recent years, Tiffin has begun to see rapid growth; its estimated population in 2006 was 1,561. F. W... University Heights, Iowa University Heights is a city in Johnson County, Iowa, United States. It part of the Iowa City, Iowa Metropolitan Statistical Area. The population was 987 at the 2000 census. It is completely surrounded by Iowa City, located near the campus of the University of Iowa... |
Unincorporated communities
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Oasis, Iowa Oasis is a small unincorporated village located in Johnson County, Iowa, United States. It lies within section 26 of Graham Township, and was once known as Graham, Iowa. It is part of the Iowa City, Iowa Metropolitan Statistical Area. As of 2005, the town had a total population of approximately 20.... Sutliff, Iowa Sutliff is an unincorporated community in Johnson County, Iowa, United States, just south of Lisbon. The community was founded at the location of Sutliff's ferry. The ferry was operated from 1838 or 1840 onward by Allen C. Sutliff , the elder brother of the Ohio Supreme Court Judge Milton Sutliff... |
Townships
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Sharon Township, Johnson County, Iowa Sharon Township is one of the twenty townships of Johnson County, Iowa, United States. It is located on the southern county line, about southwest of Iowa City... |
See also
- National Register of Historic Places listings in Johnson County, IowaNational Register of Historic Places listings in Johnson County, IowaThis is a list of the National Register of Historic Places listings in Johnson County, Iowa.This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Johnson County, Iowa, United States...
- Secrest Octagon BarnSecrest Octagon BarnThe Secrest Octagon Barn is an historic octagonal barn which is located near Downey, Johnson County, Iowa. The barn was constructed in 1883 by George Frank Longerbean, an untrained builder, for Joshua Hunt Secrest, a local farmer. On November 5, 1974, it was added to the National Register of...