Aurora, IL Demographics

A map of Aurora's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	74,887	74,981	41.6%	41.5%
White	57,856	61,017	32.2%	33.8%
Asian	21,890	19,659	12.2%	10.9%
Black	19,271	18,930	10.7%	10.5%
Multiracial	4,869	5,032	2.7%	2.8%
Native American/Other	1,125	923	0.6%	0.5%

Aurora, Illinois has an estimated population of 179,898, a less than 1% change from the 180,542 recorded in the 2020 Census. The population is 41.6% Hispanic, 32.2% White, 12.2% Asian, 10.7% Black, 2.7% Multiracial, and 0.6% Native American/Other. This demographic dot map shows the population of Aurora, with one dot drawn for each person counted by the Census, color-coded by race.

Aurora has become slightly more racially diverse since 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 Aurora, that probability was 69.0% in 2020 and 69.6% in the most recent ACS estimates.

Aurora is ranked the 2nd 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). Aurora was ranked the 2nd most populous place in the 2020 Census.

Aurora's White Population

57,856 residents of Aurora, or 32.2% of the population, identify as White. The share of White residents in Aurora is significantly lower than in Illinois overall, where 58.1% of the population is White. Aurora ranks 1397th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Aurora's White population has declined by an estimated 5.2%. White residents' share of Aurora's population has decreased from 33.8% to 32.2%.

Aurora is less White than neighboring North Aurora (66.8% White), Boulder Hill (48.9% White), Montgomery (53.8% White), Batavia (81.8% White), and Oswego (62.4% White).

Aurora's Black Population

19,271 residents of Aurora, or 10.7% of the population, identify as Black. The share of Black residents in Aurora is slightly lower than in Illinois overall, where 13.3% of the population is Black. Aurora ranks 130th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Aurora's Black population has grown by an estimated 1.8%. Black residents' share of Aurora's population has remained roughly unchanged at 10.7%.

Aurora is more Black than neighboring North Aurora (8.3% Black), Boulder Hill (2.2% Black), Montgomery (7.9% Black), Batavia (2.4% Black), and Oswego (10.1% Black).

Aurora's Asian Population

21,890 residents of Aurora, or 12.2% of the population, identify as Asian. The share of Asian residents in Aurora is higher than in Illinois overall, where 5.9% of the population is Asian. Aurora ranks 52nd statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Aurora's Asian population has grown by an estimated 11.3%. Asian residents' share of Aurora's population has increased from 10.9% to 12.2%.

Aurora is more Asian than neighboring North Aurora (1.9% Asian), Boulder Hill (1.7% Asian), Montgomery (2.1% Asian), Batavia (1.5% Asian), and Oswego (4.4% Asian).

Aurora's Hispanic Population

74,887 residents of Aurora, or 41.6% of the population, identify as Hispanic. The share of Hispanic residents in Aurora is significantly higher than in Illinois overall, where 18.8% of the population is Hispanic. Aurora ranks 33rd statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Aurora's Hispanic population has remained roughly the same. Hispanic residents' share of Aurora's population has remained roughly unchanged at 41.6%.

Aurora is more Hispanic than neighboring North Aurora (20.5% Hispanic), Montgomery (32.1% Hispanic), Batavia (8.9% Hispanic), and Oswego (17.9% Hispanic). Aurora is less Hispanic than neighboring Boulder Hill (43.8% Hispanic).

Aurora's Native American/Other Population

1,125 residents of Aurora, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Aurora is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Aurora ranks 508th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Aurora's Native American/Other population has grown by an estimated 21.9%. Native American/Other residents' share of Aurora's population has remained roughly unchanged at 0.6%.

Aurora is more Native American/Other than neighboring North Aurora (0.2% Native American/Other), Boulder Hill (0.1% Native American/Other), Montgomery (0.5% Native American/Other), and Oswego (0.2% Native American/Other). Aurora is less Native American/Other than neighboring Batavia (0.8% Native American/Other).

Aurora's Multiracial Population

4,869 residents of Aurora, or 2.7% of the population, identify as Multiracial. The share of Multiracial residents in Aurora is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Aurora ranks 1007th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Aurora's Multiracial population has declined by an estimated 3.2%. Multiracial residents' share of Aurora's population has remained roughly unchanged at 2.7%.

Aurora is more Multiracial than neighboring North Aurora (2.2% Multiracial). Aurora is less Multiracial than neighboring Boulder Hill (3.2% Multiracial), Montgomery (3.6% Multiracial), Batavia (4.5% Multiracial), and Oswego (4.9% 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.