In 2017, Johnson County, KS had a population of 591k people with a median age of 37.7 and a median household income of $82,855. Between 2016 and 2017 the population of Johnson County, KS grew from 584,451 to 591,178, a 1.15% increase and its median household income grew from $80,553 to $82,855, a 2.86% increase.
The population of Johnson County, KS is 79.8% White Alone, 7.66% Hispanic or Latino, and 5.24% Asian Alone. N/A% of the people in Johnson County, KS speak a non-English language, and 95% are U.S. citizens.
The largest universities in Johnson County, KS are Johnson County Community College (3,011 degrees awarded in 2016), Grantham University (2,363 degrees), and MidAmerica Nazarene University (676 degrees).
The median property value in Johnson County, KS is $255,200, and the homeownership rate is 68.7%. Most people in Johnson County, KS commute by Drove Alone, and the average commute time is 19.4 minutes. The average car ownership in Johnson County, KS is 2 cars per household.