Hardin County is a county located in the west central portion of the U.S. state of Ohio. As of the 2020 census, the population was 30,696. Its county seat and largest city is Kenton. The county was created in 1820 and later organized in 1833. It is named for John Hardin, an officer in the American Revolution.
Geography
According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.1%) is water.
Adjacent counties
- Hancock County (north)
- Wyandot County (northeast)
- Marion County (east)
- Union County (southeast)
- Logan County (south)
- Auglaize County (southwest)
- Allen County (northwest)