A total of around 3,000 acres were listed for sale in South Dakota's Fall River County recently; the overall value of all Fall River County ranches, farms, hunting land and other rural land and acreage for sale was around $42 million. Fall River County ranks eighth out of 66 counties in South Dakota for the combined amount of land currently advertised for sale. Hot Springs featured the most land for sale. Government and state-level services are the main economic drivers in Fall River County. Fall River County is the 12th biggest county (1,749 square miles) in South Dakota. It's located in the Black Hills & Badlands South Dakota region of the state.