Buchanan, 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 Buchanan, IA voting-age population of 15,150 people, 96.34% of them (14,596 people) identified their race as White Alone, 2.46% of them (373 people) identified their race as Two Or More Races, and 0.38% of them (58 people) identified their race as Black or African American Alone.

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

Buchanan, IA Voting-age Population By Race in Census 2020
White Alone
Two Or More Races
Black or African American Alone
Some Other Race Alone
Asian Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Percentage of Buchanan, IA Voting-age Population By Race in Census 2020
White Alone
Two Or More Races
Black or African American Alone
Some Other Race Alone
Asian Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Buchanan, 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 58 0.38
White Alone 14596 96.34
American Indian and Alaska Native Alone 17 0.11
Asian Alone 43 0.28
Native Hawaiian And Pacific Islander Alone 5 0.03
Some Other Race Alone 58 0.38
Two Or More Races 373 2.46