Land for sale in Jackson County recently totaled $6 million and 2,000 acres. Jackson County ranks 45th in the state for the total number of acres of land currently advertised for sale. Among cities in Jackson County with farms and ranches for sale, Belvidere had the most land for sale. Jackson County has a large agricultural economy, with 299 farms recorded in the county during the latest U.S. Census. Farming activities in Jackson County generate annual revenues of $4 million, the majority of which comes from livestock products. Jackson County is one of the ten largest counties in South Dakota (1,871 square miles). It's located in the Black Hills & Badlands South Dakota region of the state.