The value of all land for sale in Ohio's Franklin County recently was nearly $109 million, representing a total of 542 acres of land for sale in Franklin County. Franklin County ranks 16th out of 88 counties in the Buckeye State for the total number of acres of land currently advertised for sale. Of all ranches, farms, hunting land and other rural land and acreage for sale in Franklin County, Columbus had the most land for sale. Government and state-level services are the main economic drivers in Franklin County. Franklin County is Ohio's 23rd largest county (543 square miles). It's located in the Central Ohio region of Ohio.