What is the population of Seneca County, OH?
Seneca County in Ohio has a population of 54,861, per Census ACS 5-Year estimates. The median household income is $65,020 and the median age is 40.5.
Context
Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Seneca County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.
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Seneca County in Ohio has a population of 54,861, per Census ACS 5-Year estimates. The median household income is $65,020 and the median age is 40.5.