Gallatin County is in Yellowstone Country Montana. Of the 56 counties in the state, Gallatin County ranks 24th in terms of size (2 million acres). Recent listings of farms for sale in Gallatin County, Montana, totals nearly 3,000 acres and a combined market value of almost $52 million. The most common type of land for sale by combined acreage in Gallatin County is house. The average price of farms for sale in Gallatin County was $4 million. Farms for sale in Gallatin County support 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.