A total of almost 1,000 acres were listed for sale in Codington County recently, representing a combined almost $8 million in Codington County farms and ranches for sale. Codington County ranks 33rd out of 66 counties in South Dakota for the total acreage of land currently advertised for sale. Of all locations in Codington County with ranches, farms, hunting land and other rural land and acreage for sale, Watertown featured the most land for sale. Codington County is South Dakota's 46th biggest county (717 square miles). It's located in the Glacial Lakes & Prairies South Dakota region of South Dakota.