Iowa Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on February 28, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the total Iowa population was 3,179,090. The White Alone racial group had the highest population (2.80M) and constituted 87.93% of the total Iowa population. The Two Or More Races racial group had the second highest population (123.77K) and constituted 3.89% of the population. The third highest racial group was Black or African American Alone (119.04K), constituting 3.74% of the population. The racial group with the lowest population was Native Hawaiian And Pacific Islander Alone (4.18K).

The population of the Non-Hispanic White Alone ethnicity group was 2.68M and constituted 84.36% of the population. The population of the Hispanic or Latino of All Races ethnicity group was (203.05K) and constituted 6.39% of the population.

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

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

Related Topics: Iowa ACS-5Yrs Estimates, 2021 Topic List.

Data Source: US Census - ACS 5-Year Estimates.

Iowa Population By Race in 2021

White Alone

Two Or More Races

Black or African American Alone

Asian Alone

Some Other Race Alone

American Indian and Alaska Native Alone

Native Hawaiian And Pacific Islander Alone

Iowa Population By Ethnicity in 2021

Non-Hispanic White Alone

Hispanic or Latino of All Races

Iowa Population By Race in 2021

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Race	Population	% of Total Pop.
White Alone	2795319	87.93
Two Or More Races	123765	3.89
Black or African American Alone	119036	3.74
Asian Alone	79188	2.49
Some Other Race Alone	46711	1.47
American Indian and Alaska Native Alone	10889	0.34
Native Hawaiian And Pacific Islander Alone	4182	0.13

Iowa Population By Ethnicity in 2021

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Ethnicity	Population	% of Total Pop.
Non-Hispanic White Alone	2681793	84.36
Hispanic or Latino of All Races	203048	6.39