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 / 47.33; -95.81
Country United States
State Minnesota
FoundedDecember 27, 1906
Named afterOjibwe word for wild rice
SeatMahnomen
Largest cityMahnomen
Area
  Total
583 sq mi (1,510 km2)
  Land558 sq mi (1,450 km2)
  Water25 sq mi (60 km2)  4.3%
Population
 (2020)
  Total
5,411
  Estimate 
(2023)
5,280
  Density9.7/sq mi (3.7/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district7th
Websitewww.co.mahnomen.mn.us

Mahnomen County (/məˈnmən/ 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.