Yellowstone County is in Southeast Montana. Of the 56 counties in the Treasure State, Yellowstone County is 23rd in terms of its size (2,648 square miles). Recent Land Network data totals almost 1,000 acres of horse farms for sale in Montana's Yellowstone County, which is valued at a combined $4 million. The average price of horse farms for sale in Yellowstone County was $652,583. Other wildlife to be found on Yellowstone County equestrian property for sale includes mule deer, elk, whitetail deer, antelope and deer. Browse all Montana horse farms for sale on the Land Network to find the equestrian property that's right for your future needs, whether you're a horse breeder, equestrian business or simply horse lover looking for stable facilities, grooming pens or grazing pasture for your own horses.