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Johnson County, Kansas

US county information
NameJohnson County
Largest cityOverland Park
US Area
Total Area480.15 sq mi (1243.6 km2)
Land Area476.78 sq mi (1234.9 km2)
Water Area3.37 sq mi (8.7 km2)
Population544179 (2010)
Density439.4/km2 (1138.3/sq mi)
Time zoneCentral
Time zoneCentral: UTC-6/-5: -6/-5

     Home | County | Johnson County Kansas

Johnson County (county code JO) is a county located in northeast Kansas, in the central United States. The county is largely suburban, being part of the Kansas City metropolitan area, and containing many of its affluent southwestern suburbs. As of the 2010 census, the county population was 544,179. Its county seat is Olathe, and its most populous city is Overland Park. The county has the highest median household income and highest per-capita income in Kansas and is among the most affluent in the United States, boasting the 19th highest median household income in 2000 and the 46th highest per-capita income in 2005.

In 2010, Money magazine, in its list of the 100 Best Cities in the United States in which to live, ranked Overland Park 7th (ranked 6th in 2006 and 9th in 2008) and Shawnee 17th (ranked 39th in 2008). In 2008 the same magazine also ranked Olathe 11th.

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