Belleville, IL Demographics

A map of Belleville's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	23,455	24,171	56.7%	57.0%
Black	13,457	13,569	32.5%	32.0%
Multiracial	2,604	2,343	6.3%	5.5%
Hispanic	1,208	1,594	2.9%	3.8%
Asian	428	418	1.0%	1.0%
Native American/Other	218	309	0.5%	0.7%

Belleville, Illinois has an estimated population of 41,370, a slight decrease from the 42,404 recorded in the 2020 Census. The population is 56.7% White, 32.5% Black, 6.3% Multiracial, 2.9% Hispanic, 1.0% Asian, and 0.5% Native American/Other. This demographic dot map shows the population of Belleville, with one dot drawn for each person counted by the Census, color-coded by race.

Belleville is about as racially diverse as it was in the 2020 Census. It is 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 Belleville, that probability was 56.8% in 2020 and 56.8% in the most recent ACS estimates.

Belleville is ranked the 37th 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). Belleville was ranked the 37th most populous place in the 2020 Census.

Belleville's White Population

23,455 residents of Belleville, or 56.7% of the population, identify as White. The share of White residents in Belleville is comparable to the share in Illinois overall, where 58.1% of the population is White. Belleville ranks 1319th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Belleville's White population has declined by an estimated 3.0%. White residents' share of Belleville's population has remained roughly unchanged at 56.7%.

Belleville is more White than neighboring Fairview Heights (51% White). Belleville is less White than neighboring Swansea (70.1% White), Shiloh (60.9% White), Smithton (94.7% White), and Freeburg (89.1% White).

Belleville's Black Population

13,457 residents of Belleville, or 32.5% of the population, identify as Black. The share of Black residents in Belleville is significantly higher than in Illinois overall, where 13.3% of the population is Black. Belleville ranks 59th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Belleville's Black population has remained roughly the same. Black residents' share of Belleville's population has increased from 32.0% to 32.5%.

Belleville is more Black than neighboring Swansea (19.2% Black), Fairview Heights (27.6% Black), Shiloh (24.4% Black), Smithton (1.2% Black), and Freeburg (1% Black).

Belleville's Asian Population

428 residents of Belleville, or 1.0% of the population, identify as Asian. The share of Asian residents in Belleville is slightly lower than in Illinois overall, where 5.9% of the population is Asian. Belleville ranks 385th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Belleville's Asian population has grown by an estimated 2.4%. Asian residents' share of Belleville's population has remained roughly unchanged at 1.0%.

Belleville is more Asian than neighboring Freeburg (0.6% Asian). Belleville is less Asian than neighboring Swansea (2.4% Asian), Fairview Heights (4% Asian), Shiloh (3.3% Asian), and Smithton (1.3% Asian).

Belleville's Hispanic Population

1,208 residents of Belleville, or 2.9% of the population, identify as Hispanic. The share of Hispanic residents in Belleville is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Belleville ranks 630th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Belleville's Hispanic population has declined by an estimated 24.2%. Hispanic residents' share of Belleville's population has decreased from 3.8% to 2.9%.

Belleville is more Hispanic than neighboring Swansea (0.9% Hispanic), Smithton (1.6% Hispanic), and Freeburg (0% Hispanic). Belleville is less Hispanic than neighboring Fairview Heights (6.9% Hispanic), and Shiloh (4.9% Hispanic).

Belleville's Native American/Other Population

218 residents of Belleville, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Belleville is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Belleville ranks 254th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Belleville's Native American/Other population has declined by an estimated 29.4%. Native American/Other residents' share of Belleville's population has remained roughly unchanged at 0.5%.

Belleville is more Native American/Other than neighboring Swansea (0% Native American/Other), Smithton (0% Native American/Other), and Freeburg (0% Native American/Other). Belleville is less Native American/Other than neighboring Fairview Heights (0.9% Native American/Other), and Shiloh (0.7% Native American/Other).

Belleville's Multiracial Population

2,604 residents of Belleville, or 6.3% of the population, identify as Multiracial. The share of Multiracial residents in Belleville is slightly higher than in Illinois overall, where 3.4% of the population is Multiracial. Belleville ranks 179th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Belleville's Multiracial population has grown by an estimated 11.1%. Multiracial residents' share of Belleville's population has increased from 5.5% to 6.3%.

Belleville is more Multiracial than neighboring Shiloh (5.9% Multiracial), and Smithton (1.3% Multiracial). Belleville is less Multiracial than neighboring Swansea (7.4% Multiracial), Fairview Heights (9.5% Multiracial), and Freeburg (9.3% 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.