Codington County is in Glacial Lakes & Prairies South Dakota. Of the 66 counties in the Mount Rushmore State, Codington County ranks 46th in terms of size (717 square miles). There is about 1,000 acres of residential land and property for sale in Codington County, South Dakota, based on recent Land Network data. The combined market value of land and rural real estate for sale here is about $3 million. The average price of residential acreage for sale in Codington County was $586,760. 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.