Dupo, IL Demographics

A map of Dupo's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	3,322	3,390	85.6%	84.8%
Multiracial	265	240	6.8%	6.0%
Black	213	196	5.5%	4.9%
Hispanic	60	121	1.5%	3.0%
Asian	19	20	0.5%	0.5%
Native American/Other	0	29	0.0%	0.7%

Dupo, Illinois has an estimated population of 3,879, a slight decrease from the 3,996 recorded in the 2020 Census. The population is 85.6% White, 6.8% Multiracial, 5.5% Black, 1.5% Hispanic, 0.5% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Dupo, with one dot drawn for each person counted by the Census, color-coded by race.

Dupo has become less racially diverse since the 2020 Census. It is considerably less diverse than Illinois overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Dupo, that probability was 27.3% in 2020 and 25.9% in the most recent ACS estimates.

Dupo is ranked the 384th most populous place in Illinois, out of 1,461 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). Dupo was ranked the 382nd most populous place in the 2020 Census.

Dupo's White Population

3,322 residents of Dupo, or 85.6% of the population, identify as White. The share of White residents in Dupo is significantly higher than in Illinois overall, where 58.1% of the population is White. Dupo ranks 1016th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Dupo's White population has declined by an estimated 2.0%. White residents' share of Dupo's population has increased from 84.8% to 85.6%.

Dupo is more White than neighboring East Carondelet (70.8% White), and Lemay (83.2% White). Dupo is less White than neighboring Columbia (94.9% White), Bella Villa (88% White), and Sauget (99.3% White).

Dupo's Black Population

213 residents of Dupo, or 5.5% of the population, identify as Black. The share of Black residents in Dupo is lower than in Illinois overall, where 13.3% of the population is Black. Dupo ranks 216th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Dupo's Black population has grown by an estimated 8.7%. Black residents' share of Dupo's population has increased from 4.9% to 5.5%.

Dupo is more Black than neighboring Columbia (0.7% Black), Lemay (3.4% Black), Bella Villa (2.7% Black), and Sauget (0% Black). Dupo is less Black than neighboring East Carondelet (21% Black).

Dupo's Asian Population

19 residents of Dupo, or 0.5% of the population, identify as Asian. The share of Asian residents in Dupo is lower than in Illinois overall, where 5.9% of the population is Asian. Dupo ranks 635th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Dupo's Asian population has declined by an estimated 5.0%. Asian residents' share of Dupo's population has remained roughly unchanged at 0.5%.

Dupo is more Asian than neighboring East Carondelet (0% Asian), Columbia (0.1% Asian), and Sauget (0% Asian). Dupo is less Asian than neighboring Lemay (1.8% Asian), and Bella Villa (1% Asian).

Dupo's Hispanic Population

60 residents of Dupo, or 1.5% of the population, identify as Hispanic. The share of Hispanic residents in Dupo is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Dupo ranks 740th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Dupo's Hispanic population has declined by an estimated 50.4%. Hispanic residents' share of Dupo's population has decreased from 3.0% to 1.5%.

Dupo is more Hispanic than neighboring Sauget (0% Hispanic). Dupo is less Hispanic than neighboring East Carondelet (5.2% Hispanic), Columbia (1.7% Hispanic), Lemay (4.7% Hispanic), and Bella Villa (4.8% Hispanic).

Dupo's Native American/Other Population

0 residents of Dupo, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Dupo is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Dupo ranks 260th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Dupo's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Dupo's population has decreased from 0.7% to 0.0%.

Dupo is less Native American/Other than neighboring Columbia (0.2% Native American/Other), and Lemay (0.5% Native American/Other).

Dupo's Multiracial Population

265 residents of Dupo, or 6.8% of the population, identify as Multiracial. The share of Multiracial residents in Dupo is slightly higher than in Illinois overall, where 3.4% of the population is Multiracial. Dupo ranks 124th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Dupo's Multiracial population has grown by an estimated 10.4%. Multiracial residents' share of Dupo's population has increased from 6.0% to 6.8%.

Dupo is more Multiracial than neighboring East Carondelet (3% Multiracial), Columbia (2.5% Multiracial), Lemay (6.4% Multiracial), Bella Villa (3.5% Multiracial), and Sauget (0.7% 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.