Mahnomen is a city located in Mahnomen County Minnesota. It is also the county seat of Mahnomen County. With a 2020 population of 1,241, it is the 321st largest city in Minnesota and the 9447th largest city in the United States . Mahnomen is currently growing at a rate of 0.40% annually and its population has increased by 2.22% since the most recent census, which recorded a population of 1,214 in 2010. Mahnomen reached it's highest population of 1,243 in 2017. Spanning over 1 miles, Mahnomen has a population density of 1,185 people per square mile.
The average household income in Mahnomen is $48,545 with a poverty rate of 20.41%. The median rental costs in recent years comes to $657 per month, and the median house value is $71,300. The median age in Mahnomen is 39.1 years, 33.6 years for males, and 45.7 years for females.