There was a total of almost $6 million of ranches, farms, hunting land and other rural land and acreage for sale in Richland County recently on Land.com. The total of all Richland County farms, ranches, and rural real estate for sale was approximately 1,000 acres. Richland County ranks 34th in Montana for the total number of acres of land currently advertised for sale. Of all locations in Richland County with land for sale, Sidney featured the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Montana. Richland County is Montana's 32nd biggest county (2,103 square miles). It's located in the Missouri River Country Montana region of the state.