Aitkin County's 2026 population is estimated at 16,727, reflecting a 1.19% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Aitkin County is the 52nd largest county in Minnesota. The 2010 population was 16,212 and has grown 3.18% since 2010.
Data after 2023 is projected based on recent change
Overall: 56.9 years
Female: 56.6 years
Male: 57.1 years
There are 13,546 adults, (5,522 of whom are seniors) in Aitkin County.
Female: 7,941 (49.5%)
Male: 8,115 (50.5%)
The racial composition of Aitkin County includes 93.35% White, and smaller percentages for Native American, other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 14,989 | 93.35% |
| Two or more races | 559 | 3.48% |
| Native American | 236 | 1.47% |
| Other race | 123 | 0.77% |
| Black or African American | 103 | 0.64% |
| Asian | 38 | 0.24% |
| Native Hawaiian or Pacific Islander | 8 | 0.05% |
Aitkin County 's average per capita income is $42,937. Household income levels show a median of $60,833. The poverty rate stands at 13.11%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $84,920 | - |
| Families | $79,426 | $93,696 |
| Households | $60,833 | $77,208 |
| Non Families | $35,304 | $49,807 |
Average Income
Median Household Income
Poverty Rate
