Gallatin County is in Yellowstone Country Montana. Of the 56 counties in the state, Gallatin County is 24th in terms of its size (2 million acres). The total value of nearly 3,000 acres of farms recently listed for sale in Montana's Gallatin County was nearly $51 million. The average price of farmland for sale in Gallatin County was $4 million. Farms for sale in Gallatin County sustain livestock including cattle, horses, sheep, goats and pig. Browse all Montana farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future business or lifestyle needs.