Prospect Heights, IL Demographics

A map of Prospect Heights's Population by Race

Prospect Heights, Illinois has an estimated population of 15,618, a slight decrease from the 16,058 recorded in the 2020 Census. The population is 62.4% White, 25.8% Hispanic, 8.9% Asian, 2.2% Multiracial, 0.6% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Prospect Heights, with one dot drawn for each person counted by the Census, color-coded by race.

Prospect Heights has become less 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 Prospect Heights, that probability was 57.6% in 2020 and 53.6% in the most recent ACS estimates.

Prospect Heights is ranked the 159th 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). Prospect Heights was ranked the 158th most populous place in the 2020 Census.

Prospect Heights's White Population

9,743 residents of Prospect Heights, or 62.4% of the population, identify as White. The share of White residents in Prospect Heights is slightly higher than in Illinois overall, where 58.1% of the population is White. Prospect Heights ranks 1315th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Prospect Heights's White population has grown by an estimated 5.8%. White residents' share of Prospect Heights's population has increased from 57.4% to 62.4%.

Prospect Heights is more White than neighboring Wheeling (49.1% White), Mount Prospect (61% White), Buffalo Grove (58.2% White), and Des Plaines (54.8% White). Prospect Heights is less White than neighboring Arlington Heights (75% White).

Prospect Heights's Black Population

97 residents of Prospect Heights, or 0.6% of the population, identify as Black. The share of Black residents in Prospect Heights is considerably lower than in Illinois overall, where 13.3% of the population is Black. Prospect Heights ranks 472nd statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Prospect Heights's Black population has declined by an estimated 54.9%. Black residents' share of Prospect Heights's population has decreased from 1.3% to 0.6%.

Prospect Heights is less Black than neighboring Wheeling (3.8% Black), Mount Prospect (2.5% Black), Arlington Heights (2.3% Black), Buffalo Grove (3.4% Black), and Des Plaines (3.7% Black).

Prospect Heights's Asian Population

1,397 residents of Prospect Heights, or 8.9% of the population, identify as Asian. The share of Asian residents in Prospect Heights is slightly higher than in Illinois overall, where 5.9% of the population is Asian. Prospect Heights ranks 59th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Prospect Heights's Asian population has declined by an estimated 14.9%. Asian residents' share of Prospect Heights's population has decreased from 10.2% to 8.9%.

Prospect Heights is less Asian than neighboring Wheeling (15.3% Asian), Mount Prospect (15.4% Asian), Arlington Heights (10.4% Asian), Buffalo Grove (29.7% Asian), and Des Plaines (14.9% Asian).

Prospect Heights's Hispanic Population

4,035 residents of Prospect Heights, or 25.8% of the population, identify as Hispanic. The share of Hispanic residents in Prospect Heights is higher than in Illinois overall, where 18.8% of the population is Hispanic. Prospect Heights ranks 75th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Prospect Heights's Hispanic population has declined by an estimated 13.3%. Hispanic residents' share of Prospect Heights's population has decreased from 29.0% to 25.8%.

Prospect Heights is more Hispanic than neighboring Mount Prospect (18.1% Hispanic), Arlington Heights (8.5% Hispanic), Buffalo Grove (5.8% Hispanic), and Des Plaines (23.1% Hispanic). Prospect Heights is less Hispanic than neighboring Wheeling (28.1% Hispanic).

Prospect Heights's Native American/Other Population

0 residents of Prospect Heights, 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 Prospect Heights is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Prospect Heights ranks 715th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Prospect Heights's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Prospect Heights's population has remained roughly unchanged at 0.0%.

Prospect Heights is less Native American/Other than neighboring Wheeling (1.3% Native American/Other), Mount Prospect (0.5% Native American/Other), Arlington Heights (0.4% Native American/Other), Buffalo Grove (0.7% Native American/Other), and Des Plaines (0.6% Native American/Other).

Prospect Heights's Multiracial Population

346 residents of Prospect Heights, or 2.2% of the population, identify as Multiracial. The share of Multiracial residents in Prospect Heights is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Prospect Heights ranks 1319th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Prospect Heights's Multiracial population has grown by an estimated 26.7%. Multiracial residents' share of Prospect Heights's population has increased from 1.7% to 2.2%.

Prospect Heights is less Multiracial than neighboring Wheeling (2.3% Multiracial), Mount Prospect (2.5% Multiracial), Arlington Heights (3.3% Multiracial), Buffalo Grove (2.3% Multiracial), and Des Plaines (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.