Arlington Heights, IL Demographics
A map of Arlington Heights's Population by Race
Arlington Heights, Illinois has an estimated population of 76,005, a slight decrease from the 77,676 recorded in the 2020 Census. The population is 75.0% White, 10.4% Asian, 8.5% Hispanic, 3.3% Multiracial, 2.3% Black, and 0.4% Native American/Other. This demographic dot map shows the population of Arlington Heights, with one dot drawn for each person counted by the Census, color-coded by race.
Arlington Heights 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 Arlington Heights, that probability was 37.9% in 2020 and 41.7% in the most recent ACS estimates.
Arlington Heights is ranked the 15th 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). Arlington Heights was ranked the 15th most populous place in the 2020 Census.
Arlington Heights's White Population
57,024 residents of Arlington Heights, or 75.0% of the population, identify as White. The share of White residents in Arlington Heights is significantly higher than in Illinois overall, where 58.1% of the population is White. Arlington Heights ranks 1146th statewide in terms of White residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Arlington Heights's White population has declined by an estimated 5.5%. White residents' share of Arlington Heights's population has decreased from 77.7% to 75.0%.
Arlington Heights is more White than neighboring Rolling Meadows (50.9% White), Mount Prospect (61% White), Prospect Heights (62.4% White), Palatine (60.7% White), and Wheeling (49.1% White).
Arlington Heights's Black Population
1,774 residents of Arlington Heights, or 2.3% of the population, identify as Black. The share of Black residents in Arlington Heights is considerably lower than in Illinois overall, where 13.3% of the population is Black. Arlington Heights ranks 433rd statewide in terms of Black residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Arlington Heights's Black population has grown by an estimated 48.5%. Black residents' share of Arlington Heights's population has increased from 1.5% to 2.3%.
Arlington Heights is more Black than neighboring Prospect Heights (0.6% Black). Arlington Heights is less Black than neighboring Rolling Meadows (2.6% Black), Mount Prospect (2.5% Black), Palatine (4.5% Black), and Wheeling (3.8% Black).
Arlington Heights's Asian Population
7,920 residents of Arlington Heights, or 10.4% of the population, identify as Asian. The share of Asian residents in Arlington Heights is slightly higher than in Illinois overall, where 5.9% of the population is Asian. Arlington Heights ranks 54th statewide in terms of Asian residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Arlington Heights's Asian population has declined by an estimated 4.8%. Asian residents' share of Arlington Heights's population has remained roughly unchanged at 10.4%.
Arlington Heights is more Asian than neighboring Prospect Heights (8.9% Asian). Arlington Heights is less Asian than neighboring Rolling Meadows (14.3% Asian), Mount Prospect (15.4% Asian), Palatine (12.5% Asian), and Wheeling (15.3% Asian).
Arlington Heights's Hispanic Population
6,498 residents of Arlington Heights, or 8.5% of the population, identify as Hispanic. The share of Hispanic residents in Arlington Heights is considerably lower than in Illinois overall, where 18.8% of the population is Hispanic. Arlington Heights ranks 384th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Arlington Heights's Hispanic population has grown by an estimated 20.6%. Hispanic residents' share of Arlington Heights's population has increased from 6.9% to 8.5%.
Arlington Heights is less Hispanic than neighboring Rolling Meadows (29.2% Hispanic), Mount Prospect (18.1% Hispanic), Prospect Heights (25.8% Hispanic), Palatine (19.2% Hispanic), and Wheeling (28.1% Hispanic).
Arlington Heights's Native American/Other Population
268 residents of Arlington Heights, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Arlington Heights is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Arlington Heights ranks 793rd statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Arlington Heights's Native American/Other population has declined by an estimated 3.2%. Native American/Other residents' share of Arlington Heights's population has remained roughly unchanged at 0.4%.
Arlington Heights is more Native American/Other than neighboring Rolling Meadows (0.3% Native American/Other), and Prospect Heights (0% Native American/Other). Arlington Heights is less Native American/Other than neighboring Mount Prospect (0.5% Native American/Other), and Wheeling (1.3% Native American/Other).
Arlington Heights's Multiracial Population
2,521 residents of Arlington Heights, or 3.3% of the population, identify as Multiracial. The share of Multiracial residents in Arlington Heights is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Arlington Heights ranks 1012th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Arlington Heights's Multiracial population has grown by an estimated 16.7%. Multiracial residents' share of Arlington Heights's population has increased from 2.8% to 3.3%.
Arlington Heights is more Multiracial than neighboring Rolling Meadows (2.7% Multiracial), Mount Prospect (2.5% Multiracial), Prospect Heights (2.2% Multiracial), Palatine (2.7% Multiracial), and Wheeling (2.3% 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.