Kansas Counties
Find information on current and defunct counties:
Johnson County, Kansas
| Date Established: | August 25, 1855 |
| Date Organized: | |
| Location: |
 |
| County Seat: | Olathe |
| Origin of Name: | In honor of the Rev. Thomas Johnson (1802-1865), who established a mission to the Shawnee Indians in 1829 (Shawnee Indian Mission in present-day Fairway, Johnson Co.). |
| Cities & Townships: |
| Place | Population (2000 census) |
|---|
| Bonner Springs (city) | 1 |
| Countryside (city) | 295 |
| De Soto (city) | 4,561 |
| Edgerton (city) | 1,440 |
| Fairway (city) | 3,952 |
| Gardner (city) | 9,396 |
| Lake Quivira (city) | 883 |
| Leawood (city) | 27,656 |
| Lenexa (city) | 40,238 |
| Merriam (city) | 11,008 |
| Mission (city) | 9,727 |
| Mission Hills (city) | 3,593 |
| Mission Woods (city) | 165 |
| Olathe (city) | 92,962 |
| Overland Park (city) | 149,080 |
| Prairie Village (city) | 22,072 |
| Roeland Park (city) | 6,817 |
| Shawnee (city) | 47,996 |
| Spring Hill (city) | 2,291 |
| Westwood (city) | 1,533 |
| Westwood Hills (city) | 378 |
| Aubry Township | 5,440 |
| Gardner Township | 2,143 |
| Lexington Township | 1,315 |
| McCamish Township | 878 |
| Mission Township | [defunct] |
| Monticello Township | 0 |
| Olathe Township | 1,187 |
| Oxford Township | 2,020 |
| Shawnee Township | 0 |
| Spring Hill Township | 2,059 |
| Total population: | 451,086 | |
|  |
| Population: |
|
1860
|
 (4,364) |
|
1870
|
(13,684) |
|
1880
|
(16,853) |
|
1890
|
(17,385) |
|
1900
|
(18,104) |
|
1910
|
(18,288) |
|
1920
|
(18,314) |
|
1930
|
(27,179) |
|
1940
|
(33,327) |
|
1950
|
(62,783) |
|
1960
|
(143,792) |
|
1970
|
(217,662) |
|
1980
|
(270,269) |
|
1990
|
(355,054) |
|
2000
|
(451,086) |
|
| Other Maps: |  |
| Other Resources: | Bibliography
Cemeteries in Johnson County, as of 1906
Newspapers available on microfilm
Townships & Independent Cities in Johnson County
Post offices in Johnson County
|
| Links to Other Sites: | Johnson County page [Blue Skyways]
Johnson County GenWeb
Early Kansas Maps [KanColl]
|
|
