Polk is located in Jefferson County, Iowa. Polk has a 2025 population of 811 . Polk is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Polk is $69,246 with a poverty rate of 0.62%. The median age in Polk is 43.3 years: 51.4 years for males, and 36.7 years for females. For every 100 females there are 61.6 males.
Data after 2023 is projected based on recent change
The racial composition of Polk includes 98.89% White, and smaller percentages for Two or more races and multiracial populations.
White (98.89%)
Two or more races (1.11%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 802 | 98.89% |
| Two or more races | 9 | 1.11% |
Married
Widowed
Divorced
Separated
Never Married
Polk's average per capita income is $26,988. Household income levels show a median of $61,250. The poverty rate stands at 0.62%.
Name | Median | Mean |
|---|---|---|
| Married Families | $92,279 | - |
| Families | $90,221 | $85,156 |
| Households | $61,250 | $69,246 |
| Non Families | $34,615 | $34,115 |
Average Income
Median Household Income
Poverty Rate