Hamlin County is in Glacial Lakes & Prairies South Dakota. Of the 66 counties in the Coyote State, 344,365-acre Hamlin County ranks 57th by size. There is roughly 1,000 acres of residential land for sale in South Dakota's Hamlin County based on recent Land Network data, making it the most common type of land for sale in Hamlin County. The combined market value of land for sale here is $3 million. The average price of residential land for sale in Hamlin County was $406,200. 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.