A total of approximately 2,000 acres were listed for sale in Fall River County recently; the combined value of all Fall River County farms and ranches for sale was nearly $38 million. Fall River County ranks seventh out of 66 counties in the Coyote State for the total number of acres of land currently advertised for sale. Of all locations in Fall River County with land and rural real estate 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 South Dakota's 12th largest county (1,749 square miles). It's located in the Black Hills & Badlands South Dakota region of South Dakota.