Population By Race and Ethnicity in Polk County, IA in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the 491,031 population of Polk County, Iowa comprised of 42,471 people who identified as Hispanic (8.65%), and 448,560 people who identified as Non-Hispanic (91.35%).

Race: The White Alone population was the largest racial group in Polk County, Iowa with a population of 415,449 (84.61%); Black or African American Alone population was the second largest racial group with a population of 35,836 (7.3%); and Asian Alone was the third largest racial group with a population of 25,254 (5.14%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Polk County, Iowa in 2019, with a population of 376,662 (76.71%); the second largest ethnic group was White Alone - Hispanic with a population of 38,787 (7.9%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 34,763 (7.08%).

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.

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Hispanics and Non Hispanics in Polk County, IA in 2019
Total Population:
Race in Polk County, IA in 2019
Total Population:
Ethnicity in Polk County, IA in 2019
Total Population:
Population By Race in Polk , IA in 2019
Race Population Percentage
Black or African American Alone 35,836 7.3%
White Alone 415,449 84.61%
American Indian and Alaska Native Alone 1,790 0.37%
Asian Alone 25,254 5.14%
Native Hawaiian And Pacific Islander Alone 371 0.08%
Two Or More Races 12,331 2.51%
Population By Ethnicity in Polk , IA in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,073 0.22%
White Alone - Hispanic 38,787 7.9%
American Indian and Alaska Native Alone - Hispanic 1,016 0.21%
Asian Alone - Hispanic 252 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 135 0.03%
Two Or More Races - Hispanic 1,208 0.25%
Black or African American Alone - Non Hispanic 34,763 7.08%
White Alone - Non Hispanic 376,662 76.71%
American Indian and Alaska Native Alone - Non Hispanic 774 0.16%
Asian Alone - Non Hispanic 25,002 5.09%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 236 0.05%
Two Or More Races - Non Hispanic 11,123 2.27%