Mahnomen County, Minnesota
| Mahnomen County | |
|---|---|
| Location within the U.S. state of Minnesota | |
| Minnesota's location within the U.S. | |
| Coordinates: 47°20′N 95°49′W / 47.33°N 95.81°W | |
| Country | United States | 
| State | Minnesota | 
| Founded | December 27, 1906 | 
| Named after | Ojibwe word for wild rice | 
| Seat | Mahnomen | 
| Largest city | Mahnomen | 
| Area | |
|  • Total | 583 sq mi (1,510 km2) | 
| • Land | 558 sq mi (1,450 km2) | 
| • Water | 25 sq mi (60 km2) 4.3% | 
| Population  (2020) | |
|  • Total | 5,411 | 
|  • Estimate  (2023) | 5,280 | 
| • Density | 9.7/sq mi (3.7/km2) | 
| Time zone | UTC−6 (Central) | 
| • Summer (DST) | UTC−5 (CDT) | 
| Congressional district | 7th | 
| Website | www | 
Mahnomen County (/məˈnoʊmən/ mə-NOH-mən) is a county in the U.S. state of Minnesota. As of the 2020 census, the population was 5,411. Its county seat is Mahnomen.
The county is part of the White Earth Indian Reservation. It is the only county in Minnesota entirely within an Indian reservation. Mahnomen, East Polk, and Becker counties constitute one of northwestern Minnesota's biggest cattle-raising areas.