Mountrail County, North Dakota
Mountrail County, North Dakota | |
|---|---|
Mountrail County Courthouse in Stanley | |
Location within the U.S. state of North Dakota | |
| Coordinates: 48°12′35″N 102°21′55″W / 48.20972°N 102.36528°W | |
| Country | United States |
| State | North Dakota |
| Founded | January 4, 1873 (created) November 8, 1892 (eliminated) January 16, 1909 (re-created) January 29, 1909 (organized) |
| Seat | Stanley |
| Largest city | New Town |
| Area | |
• Total | 1,941.419 sq mi (5,028.25 km2) |
| • Land | 1,825.163 sq mi (4,727.15 km2) |
| • Water | 116.256 sq mi (301.10 km2) 5.99% |
| Population (2020) | |
• Total | 9,809 |
• Estimate (2024) | 9,474 |
| • Density | 5.19/sq mi (2.00/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Area code | 701 |
| Congressional district | At-large |
| Website | co.mountrail.nd.us |
Mountrail County is a county in the northwestern part of North Dakota, United States. As of the 2020 census, the population was 9,809, and was estimated to be 9,474 in 2024. The county seat is Stanley and the largest city is New Town.
The county was originally created in 1873, then removed in 1892, and annexed by Ward County. It was re-created and organized in 1909.
The county is home to the headquarters of the Three Affiliated Tribes of the Mandan, Hidatsa, and Arikara people, and a large part of the county belongs to the tribe's Fort Berthold reservation.