| Capital: | Olathe |
|---|---|
| Origen y Formación del condado: | One of the original 36 counties |
| Población: | 559,913 habitantes |
| Área: | 477 sq mi |
| Localización del condado dentro de Kansas: |
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Localidades en Johnson, Kansas
- Aubry Township Johnson County
- Bonner Springs
- Clearview City
- Countryside
- De Soto
- Edgerton
- Fairway
- Gardner
- Lake Quivira
- Leawood
- Lenexa
- Lexington Township Johnson County
- McCamish Township Johnson County
- Merriam
- Mission
- Mission Hills
- Mission Woods
- Olathe
- Overland Park
- Oxford Township Johnson County
- Prairie Village
- Roeland Park
- Shawnee
- Spring Hill
- Stilwell
- Westwood
- Westwood Hills