Sioux, 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 Sioux, IA voting-age population of 25,861 people, 88.62% of them (22,918 people) identified their race as White Alone, 5.18% of them (1,339 people) identified their race as Some Other Race Alone, and 4.69% of them (1,213 people) identified their race as Two Or More Races.

The first chart below shows the voting-age population by race and the second chart shows the percentage of the the Sioux, 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.

Sioux, IA Voting-age Population By Race in Census 2020
White Alone
Some Other Race Alone
Two Or More Races
Asian Alone
American Indian and Alaska Native Alone
Black or African American Alone
Native Hawaiian And Pacific Islander Alone
Percentage of Sioux, IA Voting-age Population By Race in Census 2020
White Alone
Some Other Race Alone
Two Or More Races
Asian Alone
American Indian and Alaska Native Alone
Black or African American Alone
Native Hawaiian And Pacific Islander Alone
Sioux, 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 92 0.36
White Alone 22918 88.62
American Indian and Alaska Native Alone 131 0.51
Asian Alone 164 0.63
Native Hawaiian And Pacific Islander Alone 4 0.02
Some Other Race Alone 1339 5.18
Two Or More Races 1213 4.69