Of 44 counties in the Gem State, Custer County ranks third in terms of size (4,938 square miles). Custer County is in the Central Idaho region. Recent listings of undeveloped land for sale in Idaho's Custer County totals around 1,000 acres and a combined market value of around $10 million. The most common type of land for sale by combined acreage in Custer County is house. The average price of undeveloped acreage for sale in Custer County was $1 million. Some suggested uses for undeveloped land currently for sale in Custer County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Custer County include elk, mule deer, turkey, whitetail deer, bear and pheasant. Current commercial applications for commercial property for sale in Custer County include for hunting/fishing, commercial and homestead use. Browse all Idaho undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.