Polk County's estimated 2026 population is 45,803 with a growth rate of -0.03% 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 3.73% since that time.
Data after 2023 is projected based on recent change
The racial composition of Polk County includes 94.25% White, and smaller percentages for Native American, other race, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
White (94.25%)
Two or more races (3.94%)
Native American (0.56%)
Other race (0.52%)
Asian (0.38%)
Black or African American (0.32%)
Native Hawaiian or Pacific Islander (0.02%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 42,720 | 94.25% |
| Two or more races | 1,788 | 3.94% |
| Native American | 256 | 0.56% |
| Other race | 235 | 0.52% |
| Asian | 171 | 0.38% |
| Black or African American | 146 | 0.32% |
| Native Hawaiian or Pacific Islander | 11 | 0.02% |
Married
Widowed
Divorced
Separated
Never Married
Polk County's average per capita income is $48,863. Household income levels show a median of $76,208. The poverty rate stands at 8.29%.
Name | Median | Mean |
|---|---|---|
| Married Families | $98,069 | $115,854 |
| Families | $90,252 | $106,337 |
| Households | $76,208 | $92,480 |
| Non Families | $43,194 | $57,728 |
Average Income
Median Household Income
Poverty Rate