Lake County is in Southeast South Dakota. Of the 66 counties in the Mount Rushmore State, Lake County is 54th in terms of its size (368,103 acres). Recent listings of undeveloped land for sale in Lake County, South Dakota, totals approximately 1,000 acres and a combined market value of nearly $5 million. The most common type of land for sale by combined acreage in Lake County is homesite. The average price of undeveloped land for sale in Lake County was $192,687. Some suggested uses for undeveloped land currently for sale in Lake County include for hunting/fishing, commercial, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Lake County include whitetail deer, mule deer, turkey, pheasant and deer. Current commercial applications for commercial property for sale in Lake County include for hunting/fishing, commercial and agriculture use. Browse all South Dakota undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.