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Population Review

What is the population of Clay County, MO?

Clay County in Missouri has a population of 255,566, per Census ACS 5-Year estimates. The median household income is $86,150 and the median age is 37.6.

Context

Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Clay County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.

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Clay County in Missouri has a population of 255,566, per Census ACS 5-Year estimates. The median household income is $86,150 and the median age is 37.6.