Mahnomen County, Minnesota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 82nd-largest in Minnesota
The population of Mahnomen County, Minnesota is 5,371 as of the 2023 American Community Survey, making it the 82nd-largest county in Minnesota. The median household income is $53,925, the median home value is $146,500, and the median age is 35.2.
The population of Mahnomen County has declined 2.6% since 2010 (5,440 → 5,296), a -0.19% annualized rate.
5,371
Population
-0.19%
Annual growth
10
People / sq mi
$53,925
Median Income
$146,500
Median Home Value
Mahnomen County covers 558 sq mi of land at 9.6 people per square mile.
About Mahnomen County, MN
Mahnomen County is a county in Minnesota with a population of 5,371. It ranks #82 among counties in Minnesota by population. The median age is 35.2, younger than the national median. The population is 51.0% male and 49.0% female.
The median household income in Mahnomen County is $53,925, below the US median of $74,580. 16.6% of residents live below the federal poverty level. Home values sit at a median of $146,500, with monthly rent averaging $685. The homeownership rate of 72.5% is higher than the national rate of 64.8%.
Educational attainment in Mahnomen County reflects 14.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 20.5 minutes each way.
Mahnomen County Population History (2010-2024)
The county of Mahnomen County had a population of 5,440 in 2010 and 5,296 in 2024, a -2.6% growth over 14 years. The peak was 5,563 in 2017. Average annual growth rate: -0.19%.
5,296
Population (2024)
5,440
Population (2010)
5,563
Peak (2017)
-0.19%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 5,440 |
| 2011 | 5,473 |
| 2012 | 5,503 |
| 2013 | 5,468 |
| 2014 | 5,496 |
| 2015 | 5,428 |
| 2016 | 5,472 |
| 2017 | 5,563 |
| 2018 | 5,492 |
| 2019 | 5,540 |
| 2020 | 5,391 |
| 2021 | 5,415 |
| 2022 | 5,354 |
| 2023 | 5,332 |
| 2024 | 5,296 |
Race & Ethnicity
| White | 45.3% |
| Black or African American | 0.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 52.3% |
| Two or More Races | 0.0% |
Age & Sex
35.2
Median Age
49.0%
Female
51.0%
Male
17.5%
Age 65+
Age Distribution
Children (under 15): 26.3% · Seniors (65+): 17.5%
Income & Poverty
| Median household income | $53,925$-33,631 vs state |
| Mean household income | $70,590 |
| Per-capita income | $25,533 |
| Poverty rate | 16.6%+11.1% vs state |
| Unemployment rate | 5.9% |
| Employment-to-population | 51.4% |
Top Industries by Employment
The largest employment sector in Mahnomen County is professional & business services, accounting for 26.4% of workers.
How residents commute
1.0%
Drive alone
5.4%
Carpool
72.9%
Public transit
8.5%
Work from home
20.5 min
Avg commute
Housing
$146,500$-159,000 vs state
Median home value
$685
Median rent
72.5%
Homeownership rate
2,552
Total housing units
73.3%
Occupied
26.7%
Vacant
27.5%
Renter-occupied
Social & access
87.7%
With health insurance
89.5%
With broadband internet
17.5%
Foreign-born
5.8%
Veterans (18+)
16.8%
With a disability
89.4%
Speak language other than English at home
Education
86.7%
High School+
14.3%
Bachelor's+
Largest cities in Minnesota
Other counties in Minnesota
Part of Minnesota
Metro areas in Minnesota
County rankings
Frequently Asked Questions
Mahnomen County, Minnesota has a population of 5,371 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 82nd-largest county in Minnesota. Population density is 10 people per square mile.
The population of Mahnomen County has declined 2.6% since 2010 (5,440 → 5,296), a -0.19% annualized rate.
The median household income in Mahnomen County, Minnesota is $53,925, with mean (average) household income of $70,590 and per-capita income of $25,533. 16.6% of residents live below the federal poverty level.
In Mahnomen County, the largest racial and ethnic groups are Hispanic or Latino (52.3%), White (45.3%), Black or African American (0.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Mahnomen County, Minnesota is 35.2 years. Residents are 49.0% female and 51.0% male.
The median home value in Mahnomen County is $146,500 and median monthly rent is $685. 72.5% of occupied housing units are owner-occupied. The county has 2,552 total housing units, 26.7% of which are vacant.
The largest employment sector in Mahnomen County, Minnesota is professional, scientific, and management services, employing 26.4% of workers. The unemployment rate is 5.9%.
Minneapolis is among the largest cities associated with Mahnomen County, Minnesota, with a population of 426,845.
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Statewide data for Minnesota
Population, race, income, age, and trends across Minnesota
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.