A total of approximately 1,000 acres were listed for sale in Harrison County recently, representing a combined approximately $28 million in Harrison County farmsand rural real estate for sale. Harrison County ranks 14th out of 55 counties in the Mountain State for the total number of acres of land currently advertised for sale. Bridgeport had the most land for sale. Government and state-level services are the main economic drivers in Harrison County. Harrison County is West Virginia's 29th biggest county (416 square miles). It's located in the Northwest West Virginia region of the state.