Population By Race and Ethnicity in Dubuque County, IA in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the 98,887 population of Dubuque County, Iowa comprised of 3,326 people who identified as Hispanic (3.36%), and 95,561 people who identified as Non-Hispanic (96.64%).

Race: The White Alone population was the largest racial group in Dubuque County, Iowa with a population of 90,651 (91.67%); Black or African American Alone population was the second largest racial group with a population of 3,786 (3.83%); and Two Or More Races was the third largest racial group with a population of 1,860 (1.88%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Dubuque County, Iowa in 2023, with a population of 87,884 (88.87%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,633 (3.67%); and the third largest ethnic group was White Alone - Hispanic with a population of 2,767 (2.8%).

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Dubuque County, IA in 2023

Total Population:98,887

Non Hispanic (96.64%)

Hispanic (3.36%)

Race in Dubuque County, IA in 2023

Total Population:98,887

White Alone (91.67%)

Black or African American Alone (3.83%)

Two or more races (1.88%)

Asian Alone (1.35%)

Native Hawaiian And Pacific Islander Alone (0.92%)

American Indian and Alaska Native Alone (0.35%)

Ethnicity in Dubuque County, IA in 2023

Total Population:98,887

Non-Hispanic White Alone (88.87%)

Non-Hispanic Black or African American Alone (3.67%)

Hispanic White Alone (2.8%)

Non-Hispanic Two or more races (1.73%)

All Other Ethnicities (1.63%)

Non-Hispanic Asian Alone (1.29%)

Population By Race in Dubuque , IA in 2023

Race	Population	Percentage
White Alone	90,651	91.67%
Black or African American Alone	3,786	3.83%
Two Or More Races	1,860	1.88%
Asian Alone	1,332	1.35%
Native Hawaiian And Pacific Islander Alone	908	0.92%
American Indian and Alaska Native Alone	350	0.35%

Population By Ethnicity in Dubuque , IA in 2023

Ethnicity	Population	Percentage
White Alone - Non Hispanic	87,884	88.87%
Black or African American Alone - Non Hispanic	3,633	3.67%
White Alone - Hispanic	2,767	2.8%
Two Or More Races - Non Hispanic	1,711	1.73%
Asian Alone - Non Hispanic	1,279	1.29%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	870	0.88%
American Indian and Alaska Native Alone - Non Hispanic	184	0.19%
American Indian and Alaska Native Alone - Hispanic	166	0.17%
Black or African American Alone - Hispanic	153	0.16%
Two Or More Races - Hispanic	149	0.15%
Asian Alone - Hispanic	53	0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic	38	0.04%