Of 66 counties in the state, Perkins County is second in terms of its size (2,889 square miles). Perkins County is in the Black Hills & Badlands South Dakota region. Perkins County, South Dakota, includes about 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of land for sale here was roughly $2 million. The average price of residential land for sale in Perkins County was $1 million. The county has a rural, farm-based economy. 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.