Aitkin County, Minnesota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 53rd-largest in Minnesota
The population of Aitkin County, Minnesota is 15,930 as of the 2023 American Community Survey, making it the 53rd-largest county in Minnesota. The median household income is $59,498, the median home value is $235,100, and the median age is 56.5.
The population of Aitkin County has grown 0.8% since 2010 (16,212 → 16,335), a +0.05% annualized rate.
15,930
Population
+0.05%
Annual growth
9
People / sq mi
$59,498
Median Income
$235,100
Median Home Value
Aitkin County covers 1,821 sq mi of land at 8.7 people per square mile.
About Aitkin County, MN
Aitkin County skews on age — the median resident is 56.5, older than the national median. With 15,930 residents, Aitkin County is a county in Minnesota.
Median household income is $59,498, below the US median of $78,538. The poverty rate is 7.6%, below the national 12.4%. A typical home is worth $235,100, with typical rent around $912.
Roughly 19.0% of adults have a bachelor’s, below the national 35.0%. A solid 12.0% of workers are based at home, below the national 14.0%, and the average commute runs about 29 minutes each way.
The age structure shapes everything downstream in Aitkin County — from housing demand to the mix of working-age earners reflected in the income figures above.
Aitkin County Population History (2010-2024)
The county of Aitkin County had a population of 16,212 in 2010 and 16,335 in 2024, a 0.8% growth over 14 years. The peak was 16,335 in 2024. Average annual growth rate: 0.06%.
16,335
Population (2024)
16,212
Population (2010)
16,335
Peak (2024)
0.06%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 16,212 |
| 2011 | 16,170 |
| 2012 | 16,038 |
| 2013 | 15,874 |
| 2014 | 15,852 |
| 2015 | 15,857 |
| 2016 | 15,755 |
| 2017 | 15,798 |
| 2018 | 15,886 |
| 2019 | 15,841 |
| 2020 | 15,714 |
| 2021 | 15,951 |
| 2022 | 16,142 |
| 2023 | 16,139 |
| 2024 | 16,335 |
Race & Ethnicity
| White | 93.5% |
| Black or African American | 0.7% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 3.1% |
| Two or More Races | 0.0% |
Age & Sex
56.5
Median Age
49.6%
Female
50.4%
Male
33.9%
Age 65+
Age Distribution
Children (under 15): 12.7% · Seniors (65+): 33.9%
Income & Poverty
| Median household income | $59,498$-28,058 vs state |
| Mean household income | $75,979 |
| Per-capita income | $35,185 |
| Poverty rate | 7.6%+2.1% vs state |
| Unemployment rate | 2.8% |
| Employment-to-population | 45.4% |
Top Industries by Employment
The largest employment sector in Aitkin County is professional & business services, accounting for 22.8% of workers.
How residents commute
0.0%
Drive alone
2.4%
Carpool
75.4%
Public transit
12.0%
Work from home
28.9 min
Avg commute
Housing
$235,100$-70,400 vs state
Median home value
$912
Median rent
85.3%
Homeownership rate
14,203
Total housing units
48.8%
Occupied
51.2%
Vacant
14.7%
Renter-occupied
Social & access
94.5%
With health insurance
90.4%
With broadband internet
18.5%
Foreign-born
10.5%
Veterans (18+)
20.2%
With a disability
98.5%
Speak language other than English at home
Education
93.6%
High School+
19.0%
Bachelor's+
Largest cities in Minnesota
Other counties in Minnesota
Part of Minnesota
Metro areas in Minnesota
County rankings
Frequently Asked Questions
Aitkin County, Minnesota has a population of 15,930 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 53rd-largest county in Minnesota. Population density is 9 people per square mile.
The population of Aitkin County has grown 0.8% since 2010 (16,212 → 16,335), a +0.05% annualized rate.
The median household income in Aitkin County, Minnesota is $59,498, with mean (average) household income of $75,979 and per-capita income of $35,185. 7.6% of residents live below the federal poverty level.
In Aitkin County, the largest racial and ethnic groups are White (93.5%), Hispanic or Latino (3.1%), Black or African American (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Aitkin County, Minnesota is 56.5 years. Residents are 49.6% female and 50.4% male.
The median home value in Aitkin County is $235,100 and median monthly rent is $912. 85.3% of occupied housing units are owner-occupied. The county has 14,203 total housing units, 51.2% of which are vacant.
The largest employment sector in Aitkin County, Minnesota is professional, scientific, and management services, employing 22.8% of workers. The unemployment rate is 2.8%.
Minneapolis is among the largest cities associated with Aitkin County, Minnesota, with a population of 426,845.
Aitkin County, MN Climate
Aitkin County, MN has an average annual temperature of 4.3°C (40°F) and receives about 714 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
4.3°C
Avg Temp
714
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -15° / 6° | 21 mm |
| February | -11° / 13° | 14 mm |
| March | -3° / 26° | 34 mm |
| April | 5° / 41° | 51 mm |
| May | 12° / 54° | 77 mm |
| June | 17° / 63° | 111 mm |
| July | 20° / 68° | 112 mm |
| August | 19° / 65° | 98 mm |
| September | 14° / 56° | 78 mm |
| October | 7° / 45° | 62 mm |
| November | -2° / 28° | 35 mm |
| December | -11° / 13° | 21 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 Aitkin County, MN
The most comfortable months to visit Aitkin 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). July is usually the wettest month.
Where to stay near Aitkin County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.