Johnson County, KS has a population of 584,451 people with a median age of 37.6 and a median household income of $80,553. Between 2015 and 2016 the population of Johnson County, KS grew from 580,159 to 584,451, a 0.74% increase and its median household income declined from $82,892 to $80,553, a 2.82% decrease.
The population of Johnson County, KS is 80.4% White, 7.48% Hispanic, and 4.68% Asian. 12.1% of the people in Johnson County, KS speak a non-English language, and 95.9% are U.S. citizens.
The largest universities in Johnson County, KS are Johnson County Community College, with 3,373 graduates, MidAmerica Nazarene University, with 737 graduates, and Wright Career College, with 515 graduates.
The median property value in Johnson County, KS is $242,900, and the homeownership rate is 68%. Most people in Johnson County, KS commute by Drove Alone, and the average commute time is 19.8 minutes. The average car ownership in Johnson County, KS is 2 cars per household.
Johnson County, KS is the 1st most populated county in Kansas and borders Douglas County, KS; Franklin County, KS; Leavenworth County, KS; Miami County, KS; Wyandotte County, KS; Cass County, MO; Jackson County, MO& 2 more.