Romeoville, IL Demographics

A map of Romeoville's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	16,650	16,654	40.5%	41.8%
Hispanic	14,687	13,808	35.7%	34.6%
Black	5,865	5,362	14.3%	13.5%
Asian	2,529	2,718	6.1%	6.8%
Multiracial	1,323	1,166	3.2%	2.9%
Native American/Other	98	155	0.2%	0.4%

Romeoville, Illinois has an estimated population of 41,152, an increase from the 39,863 recorded in the 2020 Census. The population is 40.5% White, 35.7% Hispanic, 14.3% Black, 6.1% Asian, 3.2% Multiracial, and 0.2% Native American/Other. This demographic dot map shows the population of Romeoville, with one dot drawn for each person counted by the Census, color-coded by race.

Romeoville is about as racially diverse as it was in the 2020 Census. It is considerably more 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 Romeoville, that probability was 68.2% in 2020 and 68.4% in the most recent ACS estimates.

Romeoville is ranked the 38th 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). Romeoville was ranked the 41st most populous place in the 2020 Census.

Romeoville's White Population

16,650 residents of Romeoville, or 40.5% of the population, identify as White. The share of White residents in Romeoville is significantly lower than in Illinois overall, where 58.1% of the population is White. Romeoville ranks 1378th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Romeoville's White population has remained roughly the same. White residents' share of Romeoville's population has decreased from 41.8% to 40.5%.

Romeoville is more White than neighboring Bolingbrook (34.8% White), and Sunnyland (39.4% White). Romeoville is less White than neighboring Crest Hill (50.5% White), Bonnie Brae (71.5% White), and Lockport Heights (64.7% White).

Romeoville's Black Population

5,865 residents of Romeoville, or 14.3% of the population, identify as Black. The share of Black residents in Romeoville is comparable to the share in Illinois overall, where 13.3% of the population is Black. Romeoville ranks 116th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Romeoville's Black population has grown by an estimated 9.4%. Black residents' share of Romeoville's population has increased from 13.5% to 14.3%.

Romeoville is more Black than neighboring Bonnie Brae (0% Black), and Lockport Heights (0% Black). Romeoville is less Black than neighboring Bolingbrook (17.7% Black), Crest Hill (15% Black), and Sunnyland (34.5% Black).

Romeoville's Asian Population

2,529 residents of Romeoville, or 6.1% of the population, identify as Asian. The share of Asian residents in Romeoville is comparable to the share in Illinois overall, where 5.9% of the population is Asian. Romeoville ranks 86th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Romeoville's Asian population has declined by an estimated 7.0%. Asian residents' share of Romeoville's population has decreased from 6.8% to 6.1%.

Romeoville is more Asian than neighboring Crest Hill (2.4% Asian), Bonnie Brae (0% Asian), Sunnyland (0% Asian), and Lockport Heights (0% Asian). Romeoville is less Asian than neighboring Bolingbrook (14.1% Asian).

Romeoville's Hispanic Population

14,687 residents of Romeoville, or 35.7% of the population, identify as Hispanic. The share of Hispanic residents in Romeoville is significantly higher than in Illinois overall, where 18.8% of the population is Hispanic. Romeoville ranks 58th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Romeoville's Hispanic population has grown by an estimated 6.4%. Hispanic residents' share of Romeoville's population has increased from 34.6% to 35.7%.

Romeoville is more Hispanic than neighboring Bolingbrook (28.9% Hispanic), Crest Hill (27% Hispanic), Bonnie Brae (23.6% Hispanic), Sunnyland (15.1% Hispanic), and Lockport Heights (28.9% Hispanic).

Romeoville's Native American/Other Population

98 residents of Romeoville, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Romeoville is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Romeoville ranks 733rd statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Romeoville's Native American/Other population has declined by an estimated 36.8%. Native American/Other residents' share of Romeoville's population has remained roughly unchanged at 0.2%.

Romeoville is more Native American/Other than neighboring Bonnie Brae (0% Native American/Other), and Lockport Heights (0% Native American/Other). Romeoville is less Native American/Other than neighboring Bolingbrook (0.5% Native American/Other), Crest Hill (0.3% Native American/Other), and Sunnyland (9.7% Native American/Other).

Romeoville's Multiracial Population

1,323 residents of Romeoville, or 3.2% of the population, identify as Multiracial. The share of Multiracial residents in Romeoville is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Romeoville ranks 964th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Romeoville's Multiracial population has grown by an estimated 13.5%. Multiracial residents' share of Romeoville's population has remained roughly unchanged at 3.2%.

Romeoville is more Multiracial than neighboring Sunnyland (1.2% Multiracial). Romeoville is less Multiracial than neighboring Bolingbrook (3.9% Multiracial), Crest Hill (4.8% Multiracial), Bonnie Brae (4.8% Multiracial), and Lockport Heights (6.4% 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.