Skip to main content
Population Review

What is the population of Fairfield County, OH?

Fairfield County in Ohio has a population of 161,289, per Census ACS 5-Year estimates. The median household income is $87,069 and the median age is 39.5.

Context

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

Explore Further

Related Questions

Frequently Asked Questions

Fairfield County in Ohio has a population of 161,289, per Census ACS 5-Year estimates. The median household income is $87,069 and the median age is 39.5.