
Mahnomen
- County:
- Mahnomen County
- County Seat:
- Yes
- Area (mi²):
- 1.047
- State:
- Minnesota
Mahnomen is a city located in Mahnomen County, Minnesota. Mahnomen has a 2025 population of 1,191. It is also the county seat of .Mahnomen is currently declining at a rate of -0.75% annually and its population has decreased by -3.8% since the most recent census, which recorded a population of 1,238 in 2020.
The average household income in Mahnomen is $55,090 with a poverty rate of 20.59%. The median age in Mahnomen is 40.4 years: 36 years for males, and 41.5 years for females.