There was a combined approximately $91 million of farms, ranches, hunting land and other land for sale in Stillwater County, Montana, recently on Land.com. The total acreage of all Stillwater County farms, ranches, and rural real estate for sale was almost 9,000 acres. Stillwater County ranks 17th in Big Sky Country for the combined amount of land currently advertised for sale. Columbus featured the most land for sale. Economically speaking, Stillwater County's is largely dependent on mining and mineral extraction-related businesses and services. Stillwater County is Montana's 38th biggest county (1,805 square miles). It's located in the Yellowstone Country Montana region of the state.