Millbrook, IL Demographics

A map of Millbrook's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	227	254	93.4%	91.7%
Multiracial	12	5	4.9%	1.8%
Hispanic	4	17	1.6%	6.1%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%
Native American/Other	0	1	0.0%	0.4%

Millbrook, Illinois has an estimated population of 243, a large decrease from the 277 recorded in the 2020 Census. The population is 93.4% White, 4.9% Multiracial, 1.6% Hispanic, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Millbrook, with one dot drawn for each person counted by the Census, color-coded by race.

Millbrook 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 Millbrook, that probability was 15.5% in 2020 and 12.5% in the most recent ACS estimates.

Millbrook is ranked the 1148th 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). Millbrook was ranked the 1097th most populous place in the 2020 Census.

Millbrook's White Population

227 residents of Millbrook, or 93.4% of the population, identify as White. The share of White residents in Millbrook is significantly higher than in Illinois overall, where 58.1% of the population is White. Millbrook ranks 637th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Millbrook's White population has declined by an estimated 10.6%. White residents' share of Millbrook's population has increased from 91.7% to 93.4%.

Millbrook is more White than neighboring Plano (52.9% White), Millington (85.6% White), Newark (81.4% White), Sandwich (81% White), and Yorkville (68.6% White).

Millbrook's Black Population

0 residents of Millbrook, or 0.0% of the population, identify as Black. The share of Black residents in Millbrook is considerably lower than in Illinois overall, where 13.3% of the population is Black. Millbrook ranks 1104th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Millbrook's Black population has grown from 0 to an estimated 0. Black residents' share of Millbrook's population has remained roughly unchanged at 0.0%.

Millbrook is less Black than neighboring Plano (1.3% Black), Millington (1.5% Black), Newark (0.5% Black), Sandwich (0.4% Black), and Yorkville (6.7% Black).

Millbrook's Asian Population

0 residents of Millbrook, or 0.0% of the population, identify as Asian. The share of Asian residents in Millbrook is lower than in Illinois overall, where 5.9% of the population is Asian. Millbrook ranks 1029th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Millbrook's Asian population has grown from 0 to an estimated 0. Asian residents' share of Millbrook's population has remained roughly unchanged at 0.0%.

Millbrook is less Asian than neighboring Plano (0.8% Asian), Newark (0.6% Asian), Sandwich (1.1% Asian), and Yorkville (3.1% Asian).

Millbrook's Hispanic Population

4 residents of Millbrook, or 1.6% of the population, identify as Hispanic. The share of Hispanic residents in Millbrook is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Millbrook ranks 429th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Millbrook's Hispanic population has declined by an estimated 76.5%. Hispanic residents' share of Millbrook's population has decreased from 6.1% to 1.6%.

Millbrook is less Hispanic than neighboring Plano (39.8% Hispanic), Millington (10.2% Hispanic), Newark (13.6% Hispanic), Sandwich (11% Hispanic), and Yorkville (19.4% Hispanic).

Millbrook's Native American/Other Population

0 residents of Millbrook, 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 Millbrook is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Millbrook ranks 779th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

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

Millbrook is less Native American/Other than neighboring Newark (1.1% Native American/Other), Sandwich (1.4% Native American/Other), and Yorkville (0.3% Native American/Other).

Millbrook's Multiracial Population

12 residents of Millbrook, or 4.9% of the population, identify as Multiracial. The share of Multiracial residents in Millbrook is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Millbrook ranks 1294th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Millbrook's Multiracial population has grown by an estimated 140.0%. Multiracial residents' share of Millbrook's population has increased from 1.8% to 4.9%.

Millbrook is more Multiracial than neighboring Millington (2.7% Multiracial), Newark (2.7% Multiracial), and Yorkville (2% Multiracial). Millbrook is less Multiracial than neighboring Plano (5.3% Multiracial), and Sandwich (5.2% 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.