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Kansas / Johnson County
Now you can skip hours of internet research and jump straight to getting answers with our meaningful at-a-glance Demographic Starter Report. With the most current & most popular demographic data points, it's the perfect starting point for your research about Johnson County.
All Johnson County population data above are from the US Census Bureau.
With 566,933 people, Johnson County is the 1st most populated county in the state of Kansas out of 105 counties. But watch out, Johnson County, because Sedgwick County with 505,415 people and Shawnee County with 178,831 people are right behind you.
The largest Johnson County racial/ethnic groups are White (80.9%) followed by Hispanic (7.4%) and Asian (4.5%).
In 2013, the median household income of Johnson County residents was $73,737. Johnson County households made slightly more than Leavenworth County households ($68,266) and Miami County households ($60,018) . However, 5.9% of Johnson County residents live in poverty.
The median age for Johnson County residents is 36.7 years young.