The overall value of farms and rural land for sale in Virginia's Buchanan County recently on Land.com was almost $4 million. This represents approximately 1,000 acres of farms and rural land for sale in Buchanan County. Buchanan County ranks 106th in the Old Dominion for the total number of acres of land currently advertised for sale. Among cities in Buchanan County with farms and rural land for sale, Grundy featured the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Virginia. Buchanan County is the 27th largest county (503 square miles) in Virginia. It's located in the Mountain Virginia region of the state.