A total of almost 100,000 acres were listed for sale in Montana's Rosebud County recently, representing a combined $37 million in Rosebud County farms and ranches for sale. Rosebud County ranks 37th in the Treasure State based on the total amount of acres of land for sale among the 56 counties in the Treasure State. Of all locations in Rosebud County with land for sale, Forsyth featured the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Montana. Rosebud County is one of the ten largest counties in Montana (5,025 square miles). It's located in the Southeast Montana region of the state.