Collinsville, IL Demographics

A map of Collinsville's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	16,968	17,727	70.6%	72.8%
Black	3,858	3,548	16.1%	14.6%
Hispanic	1,608	1,463	6.7%	6.0%
Multiracial	1,311	1,288	5.5%	5.3%
Asian	280	199	1.2%	0.8%
Native American/Other	6	141	0.0%	0.6%

Collinsville, Illinois has an estimated population of 24,031, a slight decrease from the 24,366 recorded in the 2020 Census. The population is 70.6% White, 16.1% Black, 6.7% Hispanic, 5.5% Multiracial, 1.2% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Collinsville, with one dot drawn for each person counted by the Census, color-coded by race.

Collinsville has become more 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 Collinsville, that probability was 44.3% in 2020 and 46.8% in the most recent ACS estimates.

Collinsville is ranked the 94th 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). Collinsville was ranked the 95th most populous place in the 2020 Census.

Collinsville's White Population

16,968 residents of Collinsville, or 70.6% of the population, identify as White. The share of White residents in Collinsville is considerably higher than in Illinois overall, where 58.1% of the population is White. Collinsville ranks 1213th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Collinsville's White population has declined by an estimated 4.3%. White residents' share of Collinsville's population has decreased from 72.8% to 70.6%.

Collinsville is more White than neighboring Caseyville (62.5% White), Pontoon Beach (65.4% White), and Fairview Heights (51% White). Collinsville is less White than neighboring Maryville (85.8% White), and Glen Carbon (81.8% White).

Collinsville's Black Population

3,858 residents of Collinsville, or 16.1% of the population, identify as Black. The share of Black residents in Collinsville is slightly higher than in Illinois overall, where 13.3% of the population is Black. Collinsville ranks 111th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Collinsville's Black population has grown by an estimated 8.7%. Black residents' share of Collinsville's population has increased from 14.6% to 16.1%.

Collinsville is more Black than neighboring Caseyville (10.6% Black), Maryville (5.4% Black), Pontoon Beach (8.4% Black), and Glen Carbon (9.3% Black). Collinsville is less Black than neighboring Fairview Heights (27.6% Black).

Collinsville's Asian Population

280 residents of Collinsville, or 1.2% of the population, identify as Asian. The share of Asian residents in Collinsville is slightly lower than in Illinois overall, where 5.9% of the population is Asian. Collinsville ranks 448th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Collinsville's Asian population has grown by an estimated 40.7%. Asian residents' share of Collinsville's population has remained roughly unchanged at 1.2%.

Collinsville is more Asian than neighboring Caseyville (0% Asian), Pontoon Beach (0% Asian), and Glen Carbon (0.7% Asian). Collinsville is less Asian than neighboring Maryville (2.3% Asian), and Fairview Heights (4% Asian).

Collinsville's Hispanic Population

1,608 residents of Collinsville, or 6.7% of the population, identify as Hispanic. The share of Hispanic residents in Collinsville is considerably lower than in Illinois overall, where 18.8% of the population is Hispanic. Collinsville ranks 435th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Collinsville's Hispanic population has grown by an estimated 9.9%. Hispanic residents' share of Collinsville's population has increased from 6.0% to 6.7%.

Collinsville is more Hispanic than neighboring Maryville (2.8% Hispanic), and Glen Carbon (2.1% Hispanic). Collinsville is less Hispanic than neighboring Caseyville (21.5% Hispanic), Pontoon Beach (19% Hispanic), and Fairview Heights (6.9% Hispanic).

Collinsville's Native American/Other Population

6 residents of Collinsville, 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 Collinsville is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Collinsville ranks 401st statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Collinsville's Native American/Other population has declined by an estimated 95.7%. Native American/Other residents' share of Collinsville's population has decreased from 0.6% to 0.0%.

Collinsville is less Native American/Other than neighboring Pontoon Beach (1.1% Native American/Other), and Fairview Heights (0.9% Native American/Other).

Collinsville's Multiracial Population

1,311 residents of Collinsville, or 5.5% of the population, identify as Multiracial. The share of Multiracial residents in Collinsville is slightly higher than in Illinois overall, where 3.4% of the population is Multiracial. Collinsville ranks 203rd statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Collinsville's Multiracial population has grown by an estimated 1.8%. Multiracial residents' share of Collinsville's population has remained roughly unchanged at 5.5%.

Collinsville is more Multiracial than neighboring Caseyville (5.3% Multiracial), and Maryville (3.7% Multiracial). Collinsville is less Multiracial than neighboring Pontoon Beach (6.1% Multiracial), Fairview Heights (9.5% Multiracial), and Glen Carbon (6.1% 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.