There was a total of almost $6 million of farms, ranches, and rural real estate for sale in South Dakota's Davison County recently on Land.com. The total of all Davison County land for sale was nearly 1,000 acres. Davison County ranks 40th out of 66 counties in South Dakota for the total acreage of land currently advertised for sale. Mitchell featured the most land for sale. Davison County is South Dakota's 63rd largest county (436 square miles). It's located in the Southeast South Dakota region of the state.