A combined approximately 1,000 acres were listed for sale in Putnam County, Ohio, recently; the combined value of all Putnam County land for sale was approximately $2 million. Putnam County ranks 84th in the Buckeye State for the total acreage of land currently advertised for sale. Among cities in Putnam County with farms, ranches, and rural real estate for sale, Continental featured the most land for sale. From an economic perspective, manufacturing and related services are the main 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.