A total of almost 100,000 acres were listed for sale in Rosebud County recently; the combined value of all Rosebud County farms, ranches, hunting land and other land for sale was nearly $71 million. Based on the combined acreage of land and rural property for sale here, Rosebud County has the most land for sale of the 56 counties in the Treasure State. Among cities in Rosebud County with farms and ranches 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 biggest counties in Montana (5,025 square miles). It's located in the Southeast Montana region of the state.