Dubuque, IA Demographics

A map of Dubuque's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	50,498	50,029	85.3%	83.8%
Multiracial	2,694	2,006	4.6%	3.4%
Black	2,426	3,663	4.1%	6.1%
Hispanic	1,757	2,220	3.0%	3.7%
Asian	915	680	1.5%	1.1%
Native American/Other	884	1,069	1.5%	1.8%

Dubuque, Iowa has an estimated population of 59,174, a less than 1% change from the 59,667 recorded in the 2020 Census. The population is 85.3% White, 4.6% Multiracial, 4.1% Black, 3.0% Hispanic, 1.5% Asian, and 1.5% Native American/Other. This demographic dot map shows the population of Dubuque, with one dot drawn for each person counted by the Census, color-coded by race.

Dubuque has become less racially diverse since the 2020 Census. It is less diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Dubuque, that probability was 29.0% in 2020 and 26.7% in the most recent ACS estimates.

Dubuque is ranked the 11th most populous place in Iowa, out of 1,026 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Dubuque was ranked the 11th most populous place in the 2020 Census.

Dubuque's White Population

50,498 residents of Dubuque, or 85.3% of the population, identify as White. The share of White residents in Dubuque is slightly higher than in Iowa overall, where 82.3% of the population is White. Dubuque ranks 920th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dubuque's White population has remained roughly the same. White residents' share of Dubuque's population has increased from 83.8% to 85.3%.

Dubuque is more White than neighboring East Dubuque (81.8% White). Dubuque is less White than neighboring Sageville (100% White), Asbury (91.8% White), Durango (100% White), and Sandy Hook (100% White).

Dubuque's Black Population

2,426 residents of Dubuque, or 4.1% of the population, identify as Black. The share of Black residents in Dubuque is comparable to the share in Iowa overall, where 3.8% of the population is Black. Dubuque ranks 15th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dubuque's Black population has declined by an estimated 33.8%. Black residents' share of Dubuque's population has decreased from 6.1% to 4.1%.

Dubuque is more Black than neighboring Sageville (0% Black), Asbury (2.6% Black), Durango (0% Black), and Sandy Hook (0% Black).

Dubuque's Asian Population

915 residents of Dubuque, or 1.5% of the population, identify as Asian. The share of Asian residents in Dubuque is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Dubuque ranks 116th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dubuque's Asian population has grown by an estimated 34.6%. Asian residents' share of Dubuque's population has remained roughly unchanged at 1.5%.

Dubuque is more Asian than neighboring Sageville (0% Asian), East Dubuque (1.2% Asian), Durango (0% Asian), and Sandy Hook (0% Asian). Dubuque is less Asian than neighboring Asbury (4.5% Asian).

Dubuque's Hispanic Population

1,757 residents of Dubuque, or 3.0% of the population, identify as Hispanic. The share of Hispanic residents in Dubuque is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Dubuque ranks 321st statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dubuque's Hispanic population has declined by an estimated 20.9%. Hispanic residents' share of Dubuque's population has decreased from 3.7% to 3.0%.

Dubuque is more Hispanic than neighboring Sageville (0% Hispanic), Asbury (0.5% Hispanic), Durango (0% Hispanic), and Sandy Hook (0% Hispanic). Dubuque is less Hispanic than neighboring East Dubuque (5% Hispanic).

Dubuque's Native American/Other Population

884 residents of Dubuque, or 1.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Dubuque is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Dubuque ranks 67th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dubuque's Native American/Other population has declined by an estimated 17.3%. Native American/Other residents' share of Dubuque's population has remained roughly unchanged at 1.5%.

Dubuque is more Native American/Other than neighboring Sageville (0% Native American/Other), Asbury (0% Native American/Other), Durango (0% Native American/Other), and Sandy Hook (0% Native American/Other). Dubuque is less Native American/Other than neighboring East Dubuque (3.7% Native American/Other).

Dubuque's Multiracial Population

2,694 residents of Dubuque, or 4.6% of the population, identify as Multiracial. The share of Multiracial residents in Dubuque is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Dubuque ranks 322nd statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dubuque's Multiracial population has grown by an estimated 34.3%. Multiracial residents' share of Dubuque's population has increased from 3.4% to 4.6%.

Dubuque is more Multiracial than neighboring Sageville (0% Multiracial), Asbury (0.6% Multiracial), East Dubuque (4.1% Multiracial), Durango (0% Multiracial), and Sandy Hook (0% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.