Polk County's estimated 2026 population is 45,834 with a growth rate of 0.07% in the past year according to the most recent United States census data. Polk County is the 33rd largest county in Wisconsin. The 2010 population was 44,155 and has seen a growth of 3.8% since that time.
Data after 2023 is projected based on recent change
Overall: 46.7 years
Female: 47.1 years
Male: 46.3 years
There are 36,497 adults, (10,305 of whom are seniors) in Polk County.
Female: 22,372 (49.1%)
Male: 23,183 (50.9%)
The racial composition of Polk County includes 93.77% White, and smaller percentages for other race, Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 42,719 | 93.77% |
| Two or more races | 1,939 | 4.26% |
| Other race | 292 | 0.64% |
| Native American | 263 | 0.58% |
| Asian | 210 | 0.46% |
| Black or African American | 128 | 0.28% |
| Native Hawaiian or Pacific Islander | 4 | 0.01% |
Polk County's average per capita income is $50,908. Household income levels show a median of $77,219. The poverty rate stands at 8.16%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,929 | $121,116 |
| Families | $92,725 | $110,504 |
| Households | $77,219 | $94,913 |
| Non Families | $45,546 | $58,357 |
Average Income
Median Household Income
Poverty Rate