Polk County's 2026 population is estimated at 30,363, reflecting a -0.08% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Polk County is the 36th largest county in Minnesota. The 2010 population was 31,639 and has grown -4.03% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.8 years
Female: 41.1 years
Male: 38.5 years
There are 23,185 adults, (5,862 of whom are seniors) in Polk County.
Female: 14,918 (48.6%)
Male: 15,787 (51.4%)
The racial composition of Polk County includes 85.81% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 26,349 | 85.81% |
| Two or more races | 2,671 | 8.7% |
| Black or African American | 604 | 1.97% |
| Other race | 600 | 1.95% |
| Asian | 247 | 0.8% |
| Native American | 232 | 0.76% |
| Native Hawaiian or Pacific Islander | 2 | 0.01% |
Polk County 's average per capita income is $51,684. Household income levels show a median of $73,107. The poverty rate stands at 11.88%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $113,659 | - |
| Families | $100,746 | $114,365 |
| Households | $73,107 | $90,262 |
| Non Families | $36,511 | $45,930 |
Average Income
Median Household Income
Poverty Rate
