Champaign County, county in Ohio, United States. As of 2020 county had an estimated population of 38,960 inhabitants. The county was created 219 years ago in 1805. Its county seat is Urbana.
There are 0 city/town in Champaign County, OH.
List of cities, towns, neighborhoods & other populated places in Champaign County.
City Name | Title | Population |
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