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Population Review

What is the population of Montgomery County, OH?

Montgomery County in Ohio has a population of 535,528, per Census ACS 5-Year estimates. The median household income is $64,403 and the median age is 38.8.

Context

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

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Montgomery County in Ohio has a population of 535,528, per Census ACS 5-Year estimates. The median household income is $64,403 and the median age is 38.8.