Gallia County, Ohio

Gallia County is a county in Ohio with an estimated population of 28,986 in 2023. 3 cities, towns and Census places in it are indexed here.

Largest places in Gallia County

About Gallia County

Gallia County is one of the counties of Ohio. County governments in Ohio handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.