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Population Review

What is the population of Arapahoe County, CO?

Arapahoe County in Colorado has a population of 655,709, per Census ACS 5-Year estimates. The median household income is $97,215 and the median age is 37.3.

Context

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

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Arapahoe County in Colorado has a population of 655,709, per Census ACS 5-Year estimates. The median household income is $97,215 and the median age is 37.3.