Franklin County is in Southeastern Idaho. Of the 44 counties in the Gem State, 427,335-acre Franklin County ranks 37th by size. Recent listings of undeveloped land for sale in Idaho's Franklin County totals around 5,000 acres and a combined market value of almost $30 million. The most common type of land for sale by combined acreage in Franklin County is residential property. The average price of undeveloped land for sale in Franklin County was $530,457. The county has a rural, farm-based economy. Some suggested uses for undeveloped land currently for sale in Franklin County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Franklin County include elk, whitetail deer, turkey, mule deer, deer, bear and grouse. Current commercial applications for commercial property for sale in Franklin 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.