Johnson County, Kansas
Johnson County is a county in Kansas with an estimated population of 622,237 in 2023. 18 cities, towns and Census places in it are indexed here.
Largest places in Johnson County
Overland Park 197,089Olathe 147,461Shawnee 69,417Lenexa 58,536Leawood 33,980Gardner 25,378Prairie Village 22,900Merriam 10,875Mission 10,014Spring Hill 9,689Roeland Park 6,712De Soto 6,539Fairway 4,158Mission Hills 3,525Westwood 1,721Edgerton 1,718Lake Quivira 1,014Westwood Hills 395
About Johnson County
Johnson County is one of the counties of Kansas. County governments in Kansas handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.