How many people live in Aitkin County, MN?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 16,300 people living in Aitkin County, MN. That makes Aitkin County the 53rd-most populous county in Minnesota. It is home to 0.28% of people living in the state.
16.3K
population of Aitkin County, MN (2024)
0.28%
County share of the Minnesota population (2024)
About 16,300 people lived in Aitkin County, MN in 2024.
Population estimates, 2000–2024
What are Aitkin County, MN’s age demographics?
About 5,800 Aitkin County residents are aged 65 and older in 2024. That represents 35.5% of its population. For comparison, the age group represents 18.3% of Minnesota’s population and 18% in the US overall.
Another 2,500 Aitkin County residents, or 15.1% 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 Aitkin County, MN's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Aitkin County, MN’s racial and ethnic demographics?
Non-Hispanic white residents make up 93.5% of the Aitkin County, MN population, higher than the national share of 57.5%. Aitkin County, MN also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (2.2%) than the US overall (0.72%).
In contrast, Aitkin County’s Hispanic population accounts for 1.6%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.56% of the county, compared with 12.6% 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.
Aitkin County, MN has a higher share of a non-Hispanic white population than Minnesota as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Aitkin County, MN is Aitkin with about 2,200 residents in 2024.
Cities and towns in Aitkin County, MN ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Aitkin | 2,174 |
| 2. | Shamrock | 1,275 |
| 3. | Farm Island | 1,045 |
| 4. | Nordland | 1,036 |
| 5. | Aitkin | 957 |
| 6. | Hazelton | 834 |
| 7. | Hill City | 615 |
| 8. | Spencer | 554 |
| 9. | Lakeside | 530 |
| 10. | Hill Lake | 469 |
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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.
