Of 66 counties in the Mount Rushmore State, Perkins County ranks second in terms of size (2 million acres). Perkins County is in the Black Hills & Badlands South Dakota region. Recent listings of residential land and property for sale in South Dakota's Perkins County totals about 1,000 acres and a combined market value of about $2 million. By overall acreage, house is the most common type of land for sale in Perkins County. The average price of residential land for sale in Perkins County was $1 million. The economy here is mainly agricultural. 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.