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 (698,299 acres). Recent listings of undeveloped land for sale in Day County, South Dakota, totals roughly 1,000 acres and a combined market value of almost $1 million. The most common type of land for sale by combined acreage in Day County is house. The average price of undeveloped acreage for sale in Day County was $254,780. 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 land for sale on the Land Network to find your next commercial property or land investment.