Fall River County is in Black Hills & Badlands South Dakota. Of the 66 counties in the Coyote State, Fall River County ranks 12th in terms of size (1,749 square miles). Fall River County, South Dakota, includes 1,000 acres of recreational land and property for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was around $2 million. The average price of recreational acreage for sale in Fall River County was $456,580. Browse all recreational property for sale in South Dakota to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development.