Gallatin County is in Yellowstone Country Montana. Of the 56 counties in the Treasure State, Gallatin County ranks 24th in terms of size (2,633 square miles). There is around 10,000 acres of undeveloped land for sale in Gallatin County, Montana, based on recent Land Network data. The combined market value of ranches, farms, hunting land and other rural land and acreage for sale here is about $406 million. The average price of undeveloped acreage 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, whitetail deer, elk, antelope and pheasant. Current commercial applications for commercial property for sale in Gallatin County include for hunting/fishing, commercial and homestead use. Browse all Montana undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.