Of 44 counties in the Gem State, 3 million-acre Custer County ranks third by size. Custer County is in the Central Idaho region. Idaho's Custer County includes around 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 $10 million. The average price of undeveloped acreage for sale in Custer County was $676,160. 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 deer. 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.