Dubuque County, Iowa Voting-age Population By Race and Ethnicity from Census 2020

Updated on August 29, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 76.92K voting-age population of Dubuque County, IA residents comprised of 1.93K residents who identified as Hispanic or Latino (2.51%), and 74.99K residents who identified as Non-Hispanic (97.49%).

Race: The White Alone voting-age population was the largest racial group in Dubuque County, IA, with a voting-age population of 69.99K (90.99%). The Black or African American Alone voting-age population was the second largest racial group in Dubuque County, IA, with a voting-age population of 2.65K (3.44%). The Two Or More Races voting-age population was the third largest racial group in Dubuque County, IA, with a voting-age population of 1.95K (2.54%). The smallest racial group in Dubuque County, IA was American Indian and Alaska Native Alone with a voting-age population of 195 (0.25%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Dubuque County, IA, with a voting-age population of 69.39K (90.21%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in Dubuque County, IA, with a voting-age population of 2.59K (3.37%). The Non-Hispanic - Two or More Races voting-age population was the third largest ethnic group in Dubuque County, IA, with a voting-age population of 1.40K (1.82%). The smallest ethnic group in Dubuque County, IA was Hispanic - Asian Alone with a voting-age population of 6 (0.01%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in Dubuque County, Iowa from the 2020 decennial census.

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

Dubuque County, IA Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Dubuque County, IA Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Dubuque County, IA Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Dubuque County, IA Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 2645 3.44
White Alone 69989 90.99
American Indian and Alaska Native Alone 195 0.25
Asian Alone 859 1.12
Native Hawaiian And Pacific Islander Alone 480 0.62
Some Other Race Alone 797 1.04
Two Or More Races 1951 2.54
Dubuque County, IA Voting-age Population of Ethnicity Groups 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 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 & Pac. Islander 467 0.61
Non-Hispanic - Some Other Race Alone 180 0.23
Non-Hispanic - American Indian & Alaska Native 109 0.14
Hispanic - American Indian & Alaska Native 86 0.11
Hispanic - Black Alone 55 0.07
Hispanic - Native Hawaiian & Pac. Islander 13 0.02
Hispanic - Asian Alone 6 0.01