In 2021, Johnson County, KS had a population of 605k people with a median age of 37.9 and a median household income of $96,059. Between 2020 and 2021 the population of Johnson County, KS grew from 597,574 to 605,154, a 1.27% increase and its median household income grew from $91,650 to $96,059, a 4.81% increase.
The 5 largest ethnic groups in Johnson County, KS are White (Non-Hispanic) (78.7%), Asian (Non-Hispanic) (5.29%), Black or African American (Non-Hispanic) (4.7%), White (Hispanic) (4.62%), and Two+ (Non-Hispanic) (2.95%).
None of the households in Johnson County, KS reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
95.6% of the residents in Johnson County, KS are U.S. citizens.
The largest universities in Johnson County, KS are Johnson County Community College (2,654 degrees awarded in 2021), Grantham University (1,952 degrees), and MidAmerica Nazarene University (598 degrees).
In 2021, the median property value in Johnson County, KS was $294,300, and the homeownership rate was 69.2%.
Most people in Johnson County, KS drove alone to work, and the average commute time was 21 minutes. The average car ownership in Johnson County, KS was 2 cars per household.