There was a total of approximately $11 million of ranches, farms, hunting land and other rural land and acreage for sale in Hardin County recently on Land.com. The total size of all Hardin County land and rural real estate for sale was almost 1,000 acres. Hardin County ranks 75th out of 88 counties in the Buckeye State for the combined amount of land currently advertised for sale. Of all locations in Hardin County with farms and ranches for sale, Kenton had the most land for sale. Hardin County is Ohio's 39th largest county (470 square miles). It's located in the Central Ohio region of the state.