A total of nearly 1,000 acres were listed for sale in Ohio's Putnam County recently; the overall value of all Putnam County ranches, farms, hunting land and other rural land and acreage for sale was around $3 million. Putnam County ranks 82nd out of 88 counties in the Buckeye State for the total number of acres of land currently advertised for sale. Among cities in Putnam County with land for sale, Continental featured the most land for sale. Manufacturing and related services are the largest economic sectors in Putnam County. Putnam County is Ohio's 36th largest county (484 square miles). It's located in the Northwest Ohio region of Ohio.