Of 44 counties in the Gem State, 3 million-acre Custer County ranks third by size. Custer County is in the Central Idaho region. There is 1,000 acres of undeveloped land for sale in Idaho's Custer County based on recent Land Network data. The combined market value of land and rural real estate for sale here is about $17 million. 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 orchard use. Some common wildlife species to be found on undeveloped land for sale in Custer County include elk, mule deer, whitetail deer, turkey and bear. Current commercial applications for commercial property for sale in Custer County include for hunting/fishing, commercial and orchard use. Browse all Idaho undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.