Population By Race and Ethnicity in Polk County, IA in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the 497,842 population of Polk County, Iowa comprised of 49,690 people who identified as Hispanic (9.98%), and 448,152 people who identified as Non-Hispanic (90.02%).

Race: The White Alone population was the largest racial group in Polk County, Iowa with a population of 418,833 (84.13%); Black or African American Alone population was the second largest racial group with a population of 37,951 (7.62%); and Asian Alone was the third largest racial group with a population of 25,624 (5.15%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Polk County, Iowa in 2021, with a population of 373,233 (74.97%); the second largest ethnic group was White Alone - Hispanic with a population of 45,600 (9.16%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 36,804 (7.39%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Polk, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

See this for other years:
Hispanics and Non Hispanics in Polk County, IA in 2021
Total Population:
Race in Polk County, IA in 2021
Total Population:
Ethnicity in Polk County, IA in 2021
Total Population:
Population By Race in Polk , IA in 2021
Race Population Percentage
Black or African American Alone 37,951 7.62%
White Alone 418,833 84.13%
American Indian and Alaska Native Alone 1,956 0.39%
Asian Alone 25,624 5.15%
Native Hawaiian And Pacific Islander Alone 327 0.07%
Two Or More Races 13,151 2.64%
Population By Ethnicity in Polk , IA in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,147 0.23%
White Alone - Hispanic 45,600 9.16%
American Indian and Alaska Native Alone - Hispanic 1,209 0.24%
Asian Alone - Hispanic 245 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 113 0.02%
Two Or More Races - Hispanic 1,376 0.28%
Black or African American Alone - Non Hispanic 36,804 7.39%
White Alone - Non Hispanic 373,233 74.97%
American Indian and Alaska Native Alone - Non Hispanic 747 0.15%
Asian Alone - Non Hispanic 25,379 5.1%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 214 0.04%
Two Or More Races - Non Hispanic 11,775 2.37%