Population By Race and Ethnicity in Polk County, IA in 2012

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2012, the 444,753 population of Polk County, Iowa comprised of 34,469 people who identified as Hispanic (7.75%), and 410,284 people who identified as Non-Hispanic (92.25%).

Race: The White Alone population was the largest racial group in Polk County, Iowa with a population of 387,462 (87.12%); Black or African American Alone population was the second largest racial group with a population of 28,328 (6.37%); and Asian Alone was the third largest racial group with a population of 17,481 (3.93%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Polk County, Iowa in 2012, with a population of 356,265 (80.1%); the second largest ethnic group was White Alone - Hispanic with a population of 31,197 (7.01%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 27,335 (6.15%).

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 2012
Total Population:
Race in Polk County, IA in 2012
Total Population:
Ethnicity in Polk County, IA in 2012
Total Population:
Population By Race in Polk , IA in 2012
Race Population Percentage
Black or African American Alone 28,328 6.37%
White Alone 387,462 87.12%
American Indian and Alaska Native Alone 1,813 0.41%
Asian Alone 17,481 3.93%
Native Hawaiian And Pacific Islander Alone 290 0.07%
Two Or More Races 9,379 2.11%
Population By Ethnicity in Polk , IA in 2012
Ethnicity Population Percentage
Black or African American Alone - Hispanic 993 0.22%
White Alone - Hispanic 31,197 7.01%
American Indian and Alaska Native Alone - Hispanic 970 0.22%
Asian Alone - Hispanic 206 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 96 0.02%
Two Or More Races - Hispanic 1,007 0.23%
Black or African American Alone - Non Hispanic 27,335 6.15%
White Alone - Non Hispanic 356,265 80.1%
American Indian and Alaska Native Alone - Non Hispanic 843 0.19%
Asian Alone - Non Hispanic 17,275 3.88%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 194 0.04%
Two Or More Races - Non Hispanic 8,372 1.88%