Polk City is a city located in Polk County, Iowa. Polk City has a 2025 population of 6,637 . Polk City is currently growing at a rate of 3.22% annually and its population has increased by 18.54% since the most recent census, which recorded a population of 5,599 in 2020.
The average household income in Polk City is $160,282 with a poverty rate of 5.52%. The median age in Polk City is 37 years: 38.9 years for males, and 34.3 years for females. For every 100 females there are 108.2 males.
Data after 2023 is projected based on recent change
The racial composition of Polk City includes 96.49% White, and smaller percentages for Two or more races, other race, Black or African American and multiracial populations.
White (96.49%)
Two or more races (2.71%)
Other race (0.41%)
Black or African American (0.39%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,628 | 96.49% |
| Two or more races | 158 | 2.71% |
| Other race | 24 | 0.41% |
| Black or African American | 23 | 0.39% |
Married
Widowed
Divorced
Separated
Never Married
Polk City's average per capita income is $81,239. Household income levels show a median of $163,000. The poverty rate stands at 5.52%.
Name | Median | Mean |
|---|---|---|
| Married Families | $183,571 | - |
| Families | $176,667 | $167,748 |
| Households | $163,000 | $160,282 |
| Non Families | - | $117,025 |
Average Income
Median Household Income
Poverty Rate