Northbrook, IL Demographics

A map of Northbrook's Population by Race

Northbrook, Illinois has an estimated population of 34,585, a slight decrease from the 35,222 recorded in the 2020 Census. The population is 73.8% White, 16.2% Asian, 5.4% Hispanic, 2.7% Multiracial, 1.8% Black, and 0.1% Native American/Other. This demographic dot map shows the population of Northbrook, with one dot drawn for each person counted by the Census, color-coded by race.

Northbrook 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 Northbrook, that probability was 38.4% in 2020 and 42.5% in the most recent ACS estimates.

Northbrook is ranked the 54th 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). Northbrook was ranked the 53rd most populous place in the 2020 Census.

Northbrook's White Population

25,521 residents of Northbrook, or 73.8% of the population, identify as White. The share of White residents in Northbrook is significantly higher than in Illinois overall, where 58.1% of the population is White. Northbrook ranks 1169th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Northbrook's White population has declined by an estimated 5.5%. White residents' share of Northbrook's population has decreased from 76.7% to 73.8%.

Northbrook is more White than neighboring Glenview (68.4% White). Northbrook is less White than neighboring Deerfield (86.1% White), Highland Park (80.8% White), Northfield (85.3% White), and Glencoe (90.2% White).

Northbrook's Black Population

626 residents of Northbrook, or 1.8% of the population, identify as Black. The share of Black residents in Northbrook is considerably lower than in Illinois overall, where 13.3% of the population is Black. Northbrook ranks 708th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Northbrook's Black population has grown by an estimated 143.6%. Black residents' share of Northbrook's population has increased from 0.7% to 1.8%.

Northbrook is more Black than neighboring Deerfield (0.2% Black), Glenview (1.6% Black), and Northfield (0.2% Black). Northbrook is less Black than neighboring Highland Park (2% Black), and Glencoe (2.2% Black).

Northbrook's Asian Population

5,594 residents of Northbrook, or 16.2% of the population, identify as Asian. The share of Asian residents in Northbrook is considerably higher than in Illinois overall, where 5.9% of the population is Asian. Northbrook ranks 28th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Northbrook's Asian population has declined by an estimated 2.6%. Asian residents' share of Northbrook's population has remained roughly unchanged at 16.2%.

Northbrook is more Asian than neighboring Deerfield (5.6% Asian), Highland Park (2.4% Asian), Northfield (8.1% Asian), and Glencoe (1.2% Asian).

Northbrook's Hispanic Population

1,868 residents of Northbrook, or 5.4% of the population, identify as Hispanic. The share of Hispanic residents in Northbrook is considerably lower than in Illinois overall, where 18.8% of the population is Hispanic. Northbrook ranks 676th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Northbrook's Hispanic population has grown by an estimated 55.4%. Hispanic residents' share of Northbrook's population has increased from 3.4% to 5.4%.

Northbrook is more Hispanic than neighboring Northfield (2.2% Hispanic), and Glencoe (2.6% Hispanic). Northbrook is less Hispanic than neighboring Glenview (8.2% Hispanic), and Highland Park (11% Hispanic).

Northbrook's Native American/Other Population

51 residents of Northbrook, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Northbrook is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Northbrook ranks 918th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Northbrook's Native American/Other population has declined by an estimated 47.4%. Native American/Other residents' share of Northbrook's population has remained roughly unchanged at 0.1%.

Northbrook is less Native American/Other than neighboring Deerfield (0.3% Native American/Other), Glenview (0.9% Native American/Other), Highland Park (0.8% Native American/Other), and Northfield (1.2% Native American/Other).

Northbrook's Multiracial Population

925 residents of Northbrook, or 2.7% of the population, identify as Multiracial. The share of Multiracial residents in Northbrook is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Northbrook ranks 1081st statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Northbrook's Multiracial population has remained roughly the same. Multiracial residents' share of Northbrook's population has remained roughly unchanged at 2.7%.

Northbrook is more Multiracial than neighboring Deerfield (2.4% Multiracial). Northbrook is less Multiracial than neighboring Glenview (4.7% Multiracial), Highland Park (3.1% Multiracial), Northfield (3.2% Multiracial), and Glencoe (3.7% 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.