How many people live in Mahnomen County, MN?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 5,300 people living in Mahnomen County, MN. That makes Mahnomen County the 82nd-most populous county in Minnesota. It is home to 0.09% of people living in the state.
5.3K
population of Mahnomen County, MN (2024)
0.09%
County share of the Minnesota population (2024)
About 5,300 people lived in Mahnomen County, MN in 2024.
Population estimates, 2000–2024
What are Mahnomen County, MN’s age demographics?
About 987 Mahnomen County residents are aged 65 and older in 2024. That represents 18.6% of its population. For comparison, the age group represents 18.3% of Minnesota’s population and 18% in the US overall.
Another 1,600 Mahnomen County residents, or 31.1% of the population, were children under 18. For comparison, the age group represents 22.4% of Minnesota’s population and 21.6% in the US overall.
A higher share of Mahnomen County, MN's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Mahnomen County, MN’s racial and ethnic demographics?
Non-Hispanic American Indian and Alaska Native residents make up 40.3% of the Mahnomen County, MN population, higher than the national share of 0.72%. Mahnomen County, MN also has a larger share of people identifying as non-Hispanic two or more races (9.4%) than the US overall (2.5%).
In contrast, Mahnomen County’s Hispanic population accounts for 4.6%, below the 20% nationwide, and the non-Hispanic white population makes up 45.2% of the county, compared with 57.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Mahnomen County, MN has a higher share of a non-Hispanic American Indian and Alaska Native population than Minnesota as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Mahnomen County, MN is Mahnomen with about 1,200 residents in 2024.
Cities and towns in Mahnomen County, MN ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Mahnomen | 1,216 |
| 2. | Twin Lakes | 741 |
| 3. | Pembina | 643 |
| 4. | Waubun | 399 |
| 5. | Island Lake | 310 |
| 6. | Little Elbow | 284 |
| 7. | Oakland | 256 |
| 8. | Lake Grove | 177 |
| 9. | La Garde | 165 |
| 10. | Chief | 156 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
