Yellowstone County is in Southeast Montana. Of the 56 counties in Big Sky Country, Yellowstone County is 23rd in terms of its size (2 million acres). Recent Land Network data shows about 20,000 acres of farms for sale in Montana's Yellowstone County, which is valued at a combined $57 million. The average price of farmland for sale in Yellowstone County was $5 million. Farms for sale in Yellowstone 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 commercial or lifestyle needs.