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 skews on age — the median resident is 35.2, younger than the national median. With 5,371 residents, Mahnomen County is a county in Minnesota.
Incomes run on the lower side: a median household income of $53,925, below the US median of $78,538. The poverty rate is 16.6%, above the national 12.4%. The typical home is valued at $146,500, with typical rent around $685.
Fewer adults hold degrees here than in most comparable places — 14.3%, below the national 35.0%. Remote work is below the national 14.0% at 8.5%, and the average commute runs about 21 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.
Mahnomen County, MN Climate
Mahnomen County, MN has an average annual temperature of 4°C (39°F) and receives about 621 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
4°C
Avg Temp
621
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -15° / 4° | 20 mm |
| February | -11° / 11° | 14 mm |
| March | -4° / 25° | 28 mm |
| April | 5° / 41° | 40 mm |
| May | 13° / 55° | 71 mm |
| June | 18° / 64° | 106 mm |
| July | 20° / 68° | 87 mm |
| August | 19° / 66° | 86 mm |
| September | 14° / 56° | 69 mm |
| October | 7° / 44° | 57 mm |
| November | -4° / 26° | 25 mm |
| December | -12° / 11° | 18 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Mahnomen County, MN
The most comfortable months to visit Mahnomen County, MN are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 27°C high). The coldest is January (near -21°C low). June is usually the wettest month.
Where to stay near Mahnomen County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.