Iowa Citizen Voting-age Population By Race and Ethnicity in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the Iowa citizen voting-age population was 2.31M. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (2.12M) and constituted 91.45% of the total. The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (73.84K) and constituted 3.19% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (63.15K), constituting 2.73% of the total citizen voting-age population.

The charts and tables below shows the citizen voting-age population and percentages by race and ethnicity.

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

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Iowa Citizen Population By Race and Ethnicity in 2018

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Percentage of Iowa Citizen Voting-age Population By Race and Ethnicity in 2018

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Black Alone

Non-Hispanic Asian Alone

Non-Hispanic Two Or More Races

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Iowa Citizen Voting-age Population By Race and Ethnicity in 2018

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Ethnicity	Voting-age Population	% of Citizen Voting-age Pop.
Non-Hispanic White Alone	2115015	91.45
Hispanic or Latino of All Races	73840	3.19
Non-Hispanic Black or African American Alone	63150	2.73
Non-Hispanic Asian Alone	28415	1.23
Non-Hispanic Two Or More Races	23820	1.03
Non-Hispanic American Indian and Alaska Native Alone	7090	0.31
Non-Hispanic Native Hawaiian And Pacific Islander Alone	1330	0.06