Population
16,252
2025
+3.5% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Aitkin County had an estimated 16,252 residents in 2025, up 3.5% (544 more people) since 2020. That is faster than Minnesota as a whole (+2.1%), and the 20th fastest growth of 87 counties in Minnesota.
Data as of 2025 · updated
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16,252
2025
+3.5% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
+111
2025
6.8 per 1,000 residents
+1,209 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
6.7%
2025
+0.1 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
214
2025
+39.9% since 2021
13.2 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
$60,833
2020–24
+23.9% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
3,632
2023
+5.2% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
Net domestic migration added 111 people in 2025: more people moved in from other U.S. counties than moved out.
Private employers had 3,632 paid employees in mid-March 2023, +5.2% since 2018 (County Business Patterns).
Unemployment averaged 6.7% in 2025, 0.1 points higher than in 2019 (before the pandemic).
Builders were authorized to start 214 new homes in 2025, or 13.2 per 1,000 residents.
Median household income was $60,833 in the 2020–24 American Community Survey, +23.9% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 880th.
Email me when Aitkin County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
| Year | Population | Change |
|---|---|---|
| 2025 | 16,252 | −31 |
| 2024 | 16,283 | +152 |
| 2023 | 16,131 | −17 |
| 2022 | 16,148 | +194 |
| 2021 | 15,954 | +246 |
| 2020 | 15,708 | – |
Census Bureau population estimates, July 1 of each year.
Aitkin County grew by 544 people since 2020; the largest part came from domestic migration (+1,209).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | −143 | −698 | |
| International migrationfrom and to other countries | +4 | +21 | |
| Domestic migrationfrom and to other U.S. counties | +111 | +1,209 | |
| Census adjustmentbalancing residual | −3 | +12 | |
| Total change | −31 | +544 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
| Measure | In Minnesota | Among U.S. counties |
|---|---|---|
| Population growth | 20th of 87 | 880th of 3,107 |
| Net domestic migration per 1,000 residents | 10th of 87 | 850th of 3,108 |
| Private-sector job growth | 17th of 87 | 1,182nd of 3,092 |
| Median household income | 84th of 87 | 1,981st of 3,107 |
| Lowest unemployment rate | 84th of 87 | 2,986th of 3,108 |
| New homes permitted per 1,000 residents | 1st of 87 | 71st of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
The County Growth and Demographics Report for Aitkin County, MN as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.
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Over 2020–25, Aitkin County's population change (+3.5%) was ahead of 3 of its 8 neighbouring counties and behind 5.
Its median household income ($60,833, 2020–24) is lower than in all 8 of its neighbouring counties.
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Aitkin County, MN This county | 16,252 | +3.5% | 6.8 | 13.2 | $60,833 |
| Kanabec County, MN | 16,628 | +3.6% | 1.5 | 5.0 | $71,460 |
| Crow Wing County, MN | 69,132 | +4.3% | 8.2 | 9.0 | $72,589 |
| Mille Lacs County, MN | 27,753 | +4.8% | 3.4 | 3.7 | $72,729 |
| Carlton County, MN | 36,711 | +1.4% | 2.5 | 4.2 | $80,573 |
| Cass County, MN | 31,430 | +4.2% | 4.8 | 8.6 | $68,874 |
| Itasca County, MN | 45,404 | +0.8% | 2.0 | 5.5 | $68,603 |
| Pine County, MN | 30,472 | +5.5% | 5.2 | 7.0 | $71,146 |
| St. Louis County, MN | 200,518 | +0.2% | 2.4 | 2.1 | $70,069 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
Yes. Its population grew 3.5% between 2020 and 2025, about 544 more people (Census Bureau population estimates). Minnesota as a whole changed +2.1% over the same years. That ranks 20th of 87 counties in Minnesota for population growth.
On net, about 111 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).
It averaged 6.7% in 2025 (BLS Local Area Unemployment Statistics, annual average).
About 16,252 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
Private employers there had 3,632 paid employees in mid-March 2023, +5.2% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Minnesota county pages carry the public federal growth figures.
Email me when Aitkin County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.