The combined value of farms, ranches, and rural real estate for sale in Montana's Granite County recently on Land.com was nearly $28 million. This represents around 4,000 acres of land and rural real estate for sale in Granite County. Granite County ranks 21st out of 56 counties in the Treasure State for the combined amount of land currently advertised for sale. Of all locations in Granite County with land for sale, Philipsburg featured the most land for sale. Based on its natural assets, tourism and recreation are important factors in the Granite County economy. Granite County is Montana's 40th largest county (1,732 square miles). It's located in the Gold West Country Montana region of the state.