Fall River County is in Black Hills & Badlands South Dakota. Of the 66 counties in the state, Fall River County is 12th in terms of its size (1,749 square miles). There is 1,000 acres of residential land for sale in Fall River County, South Dakota, based on recent Land Network data, making it the most common type of land for sale in Fall River County. The combined market value of farms, ranches, hunting land and other land for sale here is about $22 million. The average price of residential land for sale in Fall River County was $420,449. Browse all residential land and rural property for sale in South Dakota to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.