In 2018, Johnson County, KS had a population of 598k people with a median age of 37.8 and a median household income of $86,746. Between 2017 and 2018 the population of Johnson County, KS grew from 591,178 to 597,555, a 1.08% increase and its median household income grew from $82,855 to $86,746, a 4.7% increase.
The 5 largest ethnic groups in Johnson County, KS are White (Non-Hispanic) (79.7%), White (Hispanic) (6.04%), Asian (Non-Hispanic) (5.02%), Black or African American (Non-Hispanic) (4.43%), and Two or More Races (Non-Hispanic) (2.85%). N/A% of the people in Johnson County, KS speak a non-English language, and 95.5% are U.S. citizens.
The largest universities in Johnson County, KS are Johnson County Community College (3,150 degrees awarded in 2017), Grantham University (2,173 degrees), and MidAmerica Nazarene University (662 degrees).
The median property value in Johnson County, KS is $277,300, and the homeownership rate is 68.7%. 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.