Iowa Population Aged 25 Years and Above By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on August 20, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Iowa population aged 25 years and above was 2,119,884.

Race: The White Alone racial group had the highest population aged 25 years and above (1.92M) and constituted 90.73% of the Iowa population aged 25yrs+. The Black or African American Alone racial group had the second highest population (64.47K) and constituted 3.04% of the population. The third highest racial group was Two Or More Races (49.31K), constituting 2.33% of the population.

Ethnicity: The population of the Non-Hispanic White Alone ethnicity group was 1.87M and constituted 88.21% of the Iowa population aged 25yrs+. The population of the Hispanic or Latino of All Races ethnicity group was 96.32K and constituted 4.54% of the population.

The charts and tables below shows the population and percentages by race and ethnicity.

You can see similar information for other states and the United States.

Iowa Population Aged 25 Years and Above By Race in 2021
White Alone
Black Alone
Two or More Races
Asian Alone
Some Other Race Alone
American Indian & Alaska Native Alone
Native Hawaiian & Pac. Islander Alone
Iowa Population Aged 25 Years and Above By Ethnicity in 2021
Non-Hispanic White Alone
Hispanic or Latino of All Races
All Others
Iowa Population Aged 25 Years and Above By Race in 2021
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Race Population % of Total Pop.
White Alone 1923406 90.73
Black or African American Alone 64475 3.04
Two Or More Races 49314 2.33
Asian Alone 48937 2.31
Some Other Race Alone 25167 1.19
American Indian and Alaska Native Alone 6234 0.29
Native Hawaiian And Pacific Islander Alone 2351 0.11
Iowa Population Aged 25 Years and Above By Ethnicity in 2021
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Ethnicity Population % of Total Pop.
Non-Hispanic White Alone 1869852 88.21
Hispanic or Latino of All Races 96321 4.54
All Other Ethnicities 153711 7.25