The value of all ranches, farms, hunting land and other rural land and acreage for sale in South Dakota's Codington County recently was nearly $7 million, representing a total of 488 acres of land for sale in Codington County. Codington County ranks 34th in the Coyote State for the total number of acres of land currently advertised for sale. Of all locations in Codington County with land and rural real estate for sale, Watertown had the most land for sale. Codington County is the 46th biggest county (717 square miles) in South Dakota. It's located in the Glacial Lakes & Prairies South Dakota region of the state.