Population By Race and Ethnicity in Dubuque County, IA in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the 97,432 population of Dubuque County, Iowa comprised of 2,611 people who identified as Hispanic (2.68%), and 94,821 people who identified as Non-Hispanic (97.32%).

Race: The White Alone population was the largest racial group in Dubuque County, Iowa with a population of 89,993 (92.37%); Black or African American Alone population was the second largest racial group with a population of 3,595 (3.69%); and Two Or More Races was the third largest racial group with a population of 1,703 (1.75%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Dubuque County, Iowa in 2019, with a population of 87,789 (90.1%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,467 (3.56%); and the third largest ethnic group was White Alone - Hispanic with a population of 2,204 (2.26%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Dubuque, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

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Hispanics and Non Hispanics in Dubuque County, IA in 2019
Total Population:
Race in Dubuque County, IA in 2019
Total Population:
Ethnicity in Dubuque County, IA in 2019
Total Population:
Population By Race in Dubuque , IA in 2019
Race Population Percentage
Black or African American Alone 3,595 3.69%
White Alone 89,993 92.37%
American Indian and Alaska Native Alone 292 0.3%
Asian Alone 1,260 1.29%
Native Hawaiian And Pacific Islander Alone 589 0.61%
Two Or More Races 1,703 1.75%
Population By Ethnicity in Dubuque , IA in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 128 0.13%
White Alone - Hispanic 2,204 2.26%
American Indian and Alaska Native Alone - Hispanic 111 0.11%
Asian Alone - Hispanic 41 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 14 0.01%
Two Or More Races - Hispanic 113 0.12%
Black or African American Alone - Non Hispanic 3,467 3.56%
White Alone - Non Hispanic 87,789 90.1%
American Indian and Alaska Native Alone - Non Hispanic 181 0.19%
Asian Alone - Non Hispanic 1,219 1.25%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 575 0.59%
Two Or More Races - Non Hispanic 1,590 1.63%