Johnson County, Indiana
From Wikipedia, the free encyclopedia
Johnson County, Indiana | |
Map | |
Location in the state of Indiana |
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Indiana's location in the U.S. |
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Statistics | |
Founded | 1823 |
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Seat | Franklin |
Area - Total - Land - Water |
322 sq mi (834 km²) 320 sq mi (829 km²) 1 sq mi (3 km²), 0.42% |
Population - (2000) - Density |
115,209 360/sq mi (139/km²) |
Website: www.co.johnson.in.us |
Johnson County is a county located in the U.S. state of Indiana. As of 2000, the population was 115,209 (128,436 at the 2005 annual update). The county seat is Franklin[1].
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[edit] Geography
According to the U.S. Census Bureau, the county has a total area of 322 square miles (833 km²), of which 320 square miles (829 km²) is land and 1 square mile (4 km²) (0.42%) is water.
[edit] Adjacent counties
- Marion County (north)
- Shelby County (east)
- Bartholomew County (southeast)
- Brown County (southwest)
- Morgan County (west)
[edit] History
Johnson County was formed in 1823. It was named for John Johnson, a judge of the Indiana Supreme Court. This is probably John Johnson of Knox County, delegate to the State constitutional convention, appointed to the Supreme Court in 1816.
[edit] Demographics
Johnson County Population by year |
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2000 115,209 |
As of the census[2] of 2000, there were 115,209 people, 42,434 households, and 31,613 families residing in the county. The population density was 360 people per square mile (139/km²). There were 45,095 housing units at an average density of 141 per square mile (54/km²). The racial makeup of the county was 97.04% White, 0.79% Black or African American, 0.18% Native American, 0.84% Asian, 0.03% Pacific Islander, 0.48% from other races, and 0.65% from two or more races. 1.38% of the population were Hispanic or Latino of any race. 26.5% were of German, 19.6% American, 12.4% English and 10.9% Irish ancestry according to Census 2000.
There were 42,434 households out of which 37.40% had children under the age of 18 living with them, 62.00% were married couples living together, 9.00% had a female householder with no husband present, and 25.50% were non-families. 21.20% of all households were made up of individuals and 7.30% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 3.06.
In the county the population was spread out with 27.20% under the age of 18, 8.70% from 18 to 24, 30.80% from 25 to 44, 22.30% from 45 to 64, and 11.00% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 96.00 males. For every 100 females age 18 and over, there were 92.80 males.
The median income for a household in the county was $52,693, and the median income for a family was $60,571. Males had a median income of $42,272 versus $28,181 for females. The per capita income for the county was $22,976. About 3.30% of families and 5.60% of the population were below the poverty line, including 5.70% of those under age 18 and 7.70% of those age 65 or over.
[edit] Cities and towns
[edit] Extinct
[edit] Townships
The south end of the county is also home to the Camp Atterbury military installation.
[edit] External references
[edit] References
- Forstall, Richard L. (editor) (1996). Population of states and counties of the United States: 1790 to 1990 : from the twenty-one decennial censuses. United States Department of Commerce, Bureau of the Census, Population Division. ISBN 0-934213-48-8.
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