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.
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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.