Day County is in Glacial Lakes & Prairies South Dakota. Of the 66 counties in the Mount Rushmore State, Day County is 28th in terms of its size (1,091 square miles). South Dakota's Day County includes nearly 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was nearly $2 million. The average price of undeveloped land for sale in Day County was $179,987. The county has a rural, farm-based economy. Some suggested uses for undeveloped land currently for sale in Day County include for hunting/fishing, commercial, and residential single use. Some common wildlife species to be found on undeveloped land for sale in Day County include whitetail deer, mule deer, turkey, deer and pheasant. Current commercial applications for commercial property for sale in Day County include for hunting/fishing, commercial and residential single use. Browse all South Dakota undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.