Marion, Iowa Voting-age Population By Race in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among Marion, IA voting-age population of 25,620 people, 94.26% of them (24,150 people) identified their race as White Alone, 3.01% of them (771 people) identified their race as Two Or More Races, and 1.23% of them (316 people) identified their race as Asian Alone.

The first chart below shows the voting-age population by race and the second chart shows the percentage of the the Marion, IA voting-age population for each race. You can also find the information in a table below.

You can see similar information for other Iowa counties and also for the state of Iowa.

Marion, IA Voting-age Population By Race in Census 2020
White Alone
Two Or More Races
Asian Alone
Black or African American Alone
Some Other Race Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Percentage of Marion, IA Voting-age Population By Race in Census 2020
White Alone
Two Or More Races
Asian Alone
Black or African American Alone
Some Other Race Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Marion, IA Voting-age Population By Race in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 175 0.68
White Alone 24150 94.26
American Indian and Alaska Native Alone 54 0.21
Asian Alone 316 1.23
Native Hawaiian And Pacific Islander Alone 10 0.04
Some Other Race Alone 144 0.56
Two Or More Races 771 3.01