Population By Race and Ethnicity in Dubuque County, IA in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 96,934 population of Dubuque County, Iowa comprised of 2,273 people who identified as Hispanic (2.35%), and 94,661 people who identified as Non-Hispanic (97.66%).

Race: The White Alone population was the largest racial group in Dubuque County, Iowa with a population of 90,484 (93.35%); Black or African American Alone population was the second largest racial group with a population of 3,073 (3.17%); and Two Or More Races was the third largest racial group with a population of 1,462 (1.51%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Dubuque County, Iowa in 2015, with a population of 88,559 (91.36%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 2,966 (3.06%); and the third largest ethnic group was White Alone - Hispanic with a population of 1,925 (1.99%).

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 2015
Total Population:
Race in Dubuque County, IA in 2015
Total Population:
Ethnicity in Dubuque County, IA in 2015
Total Population:
Population By Race in Dubuque , IA in 2015
Race Population Percentage
Black or African American Alone 3,073 3.17%
White Alone 90,484 93.35%
American Indian and Alaska Native Alone 252 0.26%
Asian Alone 1,308 1.35%
Native Hawaiian And Pacific Islander Alone 355 0.37%
Two Or More Races 1,462 1.51%
Population By Ethnicity in Dubuque , IA in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 107 0.11%
White Alone - Hispanic 1,925 1.99%
American Indian and Alaska Native Alone - Hispanic 93 0.1%
Asian Alone - Hispanic 36 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 11 0.01%
Two Or More Races - Hispanic 101 0.1%
Black or African American Alone - Non Hispanic 2,966 3.06%
White Alone - Non Hispanic 88,559 91.36%
American Indian and Alaska Native Alone - Non Hispanic 159 0.16%
Asian Alone - Non Hispanic 1,272 1.31%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 344 0.36%
Two Or More Races - Non Hispanic 1,361 1.4%