Johnson County, Kansas

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Coordinates: 38°52′N 94°52′W / 38.867°N 94.867°W / 38.867; -94.867

Johnson County, Kansas
Map
Map of Kansas highlighting Johnson County
Location in the state of Kansas
Map of the USA highlighting Kansas
Kansas's location in the U.S.
Statistics
Founded August 25, 1855
Seat Olathe
Largest City Overland Park
Area
 - Total
 - Land
 - Water

480.15 sq mi (1,244 km²)
476.78 sq mi (1,235 km²)
3.37 sq mi (9 km²), 0.70%
PopulationEst.
 - (2011)
 - Density

552,991
1,168.2/sq mi (451/km²)
Time zone Central: UTC-6/-5
Website: www.jocogov.org

Johnson County (county code JO) is a county in northeast Kansas. The county is part of the Kansas City metropolitan area. It contains many of the richer suburbs of Kansas City. As of the 2010 census, 544,179 people lived there.[1] Its county seat is Olathe,[2]. The most populous city is Overland Park.

In 2010, Money magazine ranked Overland Park 7th and Shawnee 17th in its list of the 100 Best Cities in the United States in which to live.[3] In 2008 the same magazine also ranked Olathe 11th.[4]

History[change | edit source]

Historical populations
Census Pop.
1860 4,364
1870 13,684 213.6%
1880 16,853 23.2%
1890 17,385 3.2%
1900 18,104 4.1%
1910 18,288 1.0%
1920 18,314 0.1%
1930 21,179 15.6%
1940 33,327 57.4%
1950 62,783 88.4%
1960 143,792 129.0%
1970 220,073 53.0%
1980 270,269 22.8%
1990 357,048 32.1%
2000 451,086 26.3%
2010 544,179 20.6%
Est. 2011 552,991 22.6%
U.S. Decennial Census
2011 estimate

Johnson County is named for Thomas Johnson. It was one of the first counties in the Kansas Territory in 1855. The well known gunfighter Wild Bill Hickok lived in the county for a time. He was the constable of Monticello Township in 1858. Johnson County was the site of many battles dealing with slavery during Bleeding Kansas.

The county was mostly rural until the early 20th century. There was a large amount of urban development from 1914 though World War II. After the war, the development grew even greater.

Laws[change | edit source]

Johnson County was a prohibition, or "dry", county until the Kansas Constitution was changed in 1986.[5]

Geography[change | edit source]

The county has a total area of 480.15 square miles (1,243.6 km2). Of this, 476.78 square miles (1,234.9 km2) (or 99.30%) is land and 3.37 square miles (8.7 km2) (or 0.70%) is water.[6]

Adjacent counties[change | edit source]

Cities and towns[change | edit source]

Incorporated cities[change | edit source]

Name and population (2010 Census Bureau):[7]

*Cities included in Shawnee Mission. The main Shawnee Mission post office is in Mission.

Unincorporated places[change | edit source]

  • Bonita
  • Clare
  • Ocheltree
  • Stanley
  • Stilwell

Townships[change | edit source]

Johnson County was divided into nine townships. Two of these no longer exist. They were made part of independent municipalities. All of the cities are considered governmentally independent. They are not included in the census numbers for the townships.

Township FIPS Population
center
Population Population
density
/km² (/sq mi)
Land area
km² (sq mi)
Water area
km² (sq mi)
Water % Geographic coordinates
Aubry 03225 5,440 43 (112) 126 (49) 0 (0) 0.31% 38°46′48″N 94°41′4″W / 38.78°N 94.68444°W / 38.78; -94.68444
Gardner 25450 2,143 21 (55) 102 (39) 1 (0) 0.53% 38°49′7″N 94°54′31″W / 38.81861°N 94.90861°W / 38.81861; -94.90861
Lexington 39800 1,315 10 (25) 135 (52) 2 (1) 1.79% 38°55′0″N 95°0′13″W / 38.916667°N 95.00361°W / 38.916667; -95.00361
McCamish 43625 878 8 (20) 112 (43) 0 (0) 0.34% 38°47′22″N 94°59′48″W / 38.78944°N 94.99667°W / 38.78944; -94.99667
Monticello 47950 0 0 (0) 0 (0) 0 (0) 0% 39°1′59″N 94°47′57″W / 39.03306°N 94.79917°W / 39.03306; -94.79917
Olathe 52600 1,187 27 (70) 44 (17) 0 (0) 0.04% 38°54′21″N 94°49′18″W / 38.90583°N 94.82167°W / 38.90583; -94.82167
Oxford 53825 2,020 121 (313) 17 (6) 0 (0) 1.54% 38°49′58″N 94°40′54″W / 38.83278°N 94.68167°W / 38.83278; -94.68167
Shawnee 64525 0 0 (0) 0 (0) 0 (0) 0% 39°1′51″N 94°47′47″W / 39.03083°N 94.79639°W / 39.03083; -94.79639
Spring Hill 67650 2,059 29 (76) 70 (27) 0 (0) 0.30% 38°46′35″N 94°48′55″W / 38.77639°N 94.81528°W / 38.77639; -94.81528
Sources: "Census 2000 U.S. Gazetteer Files". U.S. Census Bureau, Geography Division. http://www.census.gov/geo/www/gazetteer/places2k.html.

References[change | edit source]

Other websites[change | edit source]

Official sites
Additional information
Maps