Polk City Flag

Polk City

County:
Polk County
County Seat:
No
Area (mi²):
5.636
State:
Iowa

Polk City is a city located in Polk County, Iowa. Polk City has a 2026 population of 6,845. Polk City is currently growing at a rate of 3.13% annually and its population has increased by 22.25% since the most recent census, which recorded a population of 5,599 in 2020.

The median household income in Polk City is $164,389 with a poverty rate of 6.75%. The median age in Polk City is 39.1 years: 42.4 years for males, and 37.1 years for females. For every 100 females there are 105.0 males.

6.8K
Total Population
1,215
Density (mi²)
208 3.13%
Growth

Polk City Population

Polk City Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20266,8452083.13%
20256,6372073.22%
20246,4301041.64%
20236,3262784.6%
20226,0482774.8%
20215,7711723.07%
20205,599470.85%
20194,9902024.22%
20184,7881553.35%
20174,6331914.3%
20164,4421052.42%
20154,3371523.63%
20144,1852215.58%
20133,9642607.02%
20123,7041474.13%
20113,5571394.07%
20103,452351.02%

Median Age

Overall: 39.1 years
Female: 37.1 years
Male: 42.4 years

Polk City Adults

There are 4,356 adults, (874 of whom are seniors) in Polk City.

Sex Ratio

Female: 2,945 (48.8%)
Male: 3,092 (51.2%)

Demographics

The racial composition of Polk City includes 96.41% White, and smaller percentages for other race, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White5,82096.41%
Two or more races1823.01%
Other race250.41%
Black or African American100.17%
Race
Population ↓
Percentage (of total)
Two or more races1151.9%
Other race250.41%
White120.2%
Race
Population ↓
Percentage (of total)
White5,80896.21%
Two or more races671.11%
Black or African American100.17%

Polk City Marital Status

Economics and Income Statistics

Polk City 's average per capita income is $83,102. Household income levels show a median of $164,389. The poverty rate stands at 6.75%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$186,250-
Families$180,313$166,731
Households$164,389$152,452
Non Families$41,372$88,540

$83,102

Average Income

$164,389

Median Household Income

6.75%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)