Skip to main content
Population Review

What is the population of Marion County, OH?

Marion County in Ohio has a population of 65,145, per Census ACS 5-Year estimates. The median household income is $57,306 and the median age is 40.5.

Context

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

Explore Further

Related Questions

Frequently Asked Questions

Marion County in Ohio has a population of 65,145, per Census ACS 5-Year estimates. The median household income is $57,306 and the median age is 40.5.