Land for sale in Mountrail County, North Dakota, recently totaled approximately $5 million and approximately 1,000 acres. Mountrail County ranks 16th out of 53 counties in the Rough Rider State for the total number of acres of land currently advertised for sale. Among cities in Mountrail County with farms, ranches, and rural real estate for sale, Plaza featured the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of North Dakota. Mountrail County is one of the ten largest counties in North Dakota (1,941 square miles). It's located in the Central North Dakota region of North Dakota.