Land for sale in Montana's Powder River County recently totaled $15 million and nearly 100,000 acres. Powder River County ranks 48th out of 56 counties in the state for the total acreage of land currently advertised for sale. Of all ranches, farms, hunting land and other rural land and acreage for sale in Powder River County, Broadus featured the most land for sale. Based on its natural assets, tourism and recreation are important sectors for the Powder River County economy. Powder River County is Montana's 16th largest county (3,298 square miles). It's located in the Southeast Montana region of the state.