Rockdale, IL Demographics

A map of Rockdale's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	1,270	758	49.7%	37.7%
White	1,008	1,015	39.5%	50.4%
Multiracial	145	80	5.7%	4.0%
Black	83	138	3.3%	6.9%
Asian	47	9	1.8%	0.4%
Native American/Other	0	12	0.0%	0.6%

Rockdale, Illinois has an estimated population of 2,553, a large increase from the 2,012 recorded in the 2020 Census. The population is 49.7% Hispanic, 39.5% White, 5.7% Multiracial, 3.3% Black, 1.8% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Rockdale, with one dot drawn for each person counted by the Census, color-coded by race.

Rockdale has become slightly less racially diverse since 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 Rockdale, that probability was 59.7% in 2020 and 59.2% in the most recent ACS estimates.

Rockdale is ranked the 456th 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). Rockdale was ranked the 499th most populous place in the 2020 Census.

Rockdale's White Population

1,008 residents of Rockdale, or 39.5% of the population, identify as White. The share of White residents in Rockdale is significantly lower than in Illinois overall, where 58.1% of the population is White. Rockdale ranks 1350th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Rockdale's White population has remained roughly the same. White residents' share of Rockdale's population has decreased from 50.4% to 39.5%.

Rockdale is more White than neighboring Preston Heights (25% White), and Sunnyland (39.4% White). Rockdale is less White than neighboring Joliet (44% White), Crest Hill (50.5% White), and Crystal Lawns (65.9% White).

Rockdale's Black Population

83 residents of Rockdale, or 3.3% of the population, identify as Black. The share of Black residents in Rockdale is lower than in Illinois overall, where 13.3% of the population is Black. Rockdale ranks 181st statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Rockdale's Black population has declined by an estimated 39.9%. Black residents' share of Rockdale's population has decreased from 6.9% to 3.3%.

Rockdale is more Black than neighboring Crystal Lawns (0% Black). Rockdale is less Black than neighboring Joliet (16% Black), Preston Heights (48.2% Black), Crest Hill (15% Black), and Sunnyland (34.5% Black).

Rockdale's Asian Population

47 residents of Rockdale, or 1.8% of the population, identify as Asian. The share of Asian residents in Rockdale is slightly lower than in Illinois overall, where 5.9% of the population is Asian. Rockdale ranks 685th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Rockdale's Asian population has grown by an estimated 422.2%. Asian residents' share of Rockdale's population has increased from 0.4% to 1.8%.

Rockdale is more Asian than neighboring Preston Heights (0% Asian), Sunnyland (0% Asian), and Crystal Lawns (0% Asian). Rockdale is less Asian than neighboring Joliet (2.4% Asian), and Crest Hill (2.4% Asian).

Rockdale's Hispanic Population

1,270 residents of Rockdale, or 49.7% of the population, identify as Hispanic. The share of Hispanic residents in Rockdale is significantly higher than in Illinois overall, where 18.8% of the population is Hispanic. Rockdale ranks 44th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Rockdale's Hispanic population has grown by an estimated 67.5%. Hispanic residents' share of Rockdale's population has increased from 37.7% to 49.7%.

Rockdale is more Hispanic than neighboring Joliet (34.2% Hispanic), Preston Heights (23.3% Hispanic), Crest Hill (27% Hispanic), Sunnyland (15.1% Hispanic), and Crystal Lawns (31.6% Hispanic).

Rockdale's Native American/Other Population

0 residents of Rockdale, 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 Rockdale is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Rockdale ranks 385th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Rockdale's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Rockdale's population has decreased from 0.6% to 0.0%.

Rockdale is less Native American/Other than neighboring Joliet (0.3% Native American/Other), Crest Hill (0.3% Native American/Other), and Sunnyland (9.7% Native American/Other).

Rockdale's Multiracial Population

145 residents of Rockdale, or 5.7% of the population, identify as Multiracial. The share of Multiracial residents in Rockdale is slightly higher than in Illinois overall, where 3.4% of the population is Multiracial. Rockdale ranks 541st statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Rockdale's Multiracial population has grown by an estimated 81.3%. Multiracial residents' share of Rockdale's population has increased from 4.0% to 5.7%.

Rockdale is more Multiracial than neighboring Joliet (3.1% Multiracial), Preston Heights (3.5% Multiracial), Crest Hill (4.8% Multiracial), Sunnyland (1.2% Multiracial), and Crystal Lawns (2.5% 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.