What is the population of Johnson County, KS?
Johnson County in Kansas has a population of 614,764, per Census ACS 5-Year estimates. The median household income is $107,261 and the median age is 38.3.
Context
Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Johnson County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.
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Johnson County in Kansas has a population of 614,764, per Census ACS 5-Year estimates. The median household income is $107,261 and the median age is 38.3.