Spink County is in Glacial Lakes & Prairies South Dakota. Of the 66 counties in the state, Spink County is 18th in terms of its size (1,509 square miles). The total value of 1,000 acres of residential land recently listed for sale in South Dakota's Spink County was roughly $2 million. The average price of residential acreage for sale in Spink County was $292,800. The economy here is largely 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.