Gallatin County is in Yellowstone Country Montana. Of the 56 counties in the Treasure State, Gallatin County is 24th in terms of its size (2 million acres). Recent Land Network data records nearly 8,000 acres of undeveloped land for sale in Montana's Gallatin County, which is valued at a combined $353 million. The average price of undeveloped land for sale in Gallatin County was $2 million. Some suggested uses for undeveloped land currently for sale in Gallatin County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Gallatin County include mule deer, elk, whitetail deer, antelope and deer. Current commercial applications for commercial property for sale in Gallatin County include for hunting/fishing, commercial and homestead use. Browse all Montana undeveloped land for sale on the Land Network to find your next commercial property or land investment.