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Population Review

What is the population of Riley County, KS?

Riley County in Kansas has a population of 71,710, per Census ACS 5-Year estimates. The median household income is $59,560 and the median age is 25.2.

Context

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

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Riley County in Kansas has a population of 71,710, per Census ACS 5-Year estimates. The median household income is $59,560 and the median age is 25.2.