Dubuque, Iowa Voting-age Population By Ethnicity in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among Dubuque, IA population of 76,916 people, 90.21% of them (69,388 people) identified their ethnicity as Non-Hispanic - White Alone, 3.37% of them (2,590 people) identified their ethnicity as Non-Hispanic - Black or African American Alone, and 1.82% of them (1,398 people) identified their ethnicity as Non-Hispanic - Two Or More Races.

The first chart below shows the voting-age population by ethnicity and the second chart shows the percentage of the voting-age population for each ethnicity. 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.

Dubuque, IA Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Black Alone
Non-Hispanic - Two or More Races
Non-Hispanic - Asian Alone
Hispanic - Some Other Race Alone
Hispanic - White Alone
Hispanic - Two or More Races
Percentage of Dubuque, IA Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Black Alone
Non-Hispanic - Two or More Races
Non-Hispanic - Asian Alone
Hispanic - Some Other Race Alone
Hispanic - White Alone
Hispanic - Two or More Races
Dubuque, IA Voting-age Population By Ethnicity in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 69388 90.21
Non-Hispanic - Black or African American Alone 2590 3.37
Non-Hispanic - Two Or More Races 1398 1.82
Non-Hispanic - Asian Alone 853 1.11
Hispanic - Some Other Race Alone 617 0.80
Hispanic - White Alone 601 0.78
Hispanic - Two Or More Races 553 0.72
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 467 0.61
Non-Hispanic - Some Other Race Alone 180 0.23
Non-Hispanic - American Indian and Alaska Native Alone 109 0.14
Hispanic - American Indian and Alaska Native Alone 86 0.11
Hispanic - Black or African American Alone 55 0.07
Hispanic - Native Hawaiian And Pacific Islander Alone 13 0.02
Hispanic - Asian Alone 6 0.01