Sleepy Hollow, IL Demographics

A map of Sleepy Hollow's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,531	2,603	80.1%	81.0%
Hispanic	404	388	12.8%	12.1%
Black	90	52	2.8%	1.6%
Multiracial	88	89	2.8%	2.8%
Asian	48	72	1.5%	2.2%
Native American/Other	0	10	0.0%	0.3%

Sleepy Hollow, Illinois has an estimated population of 3,161, a slight decrease from the 3,214 recorded in the 2020 Census. The population is 80.1% White, 12.8% Hispanic, 2.8% Black, 2.8% Multiracial, 1.5% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Sleepy Hollow, with one dot drawn for each person counted by the Census, color-coded by race.

Sleepy Hollow 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 Sleepy Hollow, that probability was 32.8% in 2020 and 34.1% in the most recent ACS estimates.

Sleepy Hollow is ranked the 420th 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). Sleepy Hollow was ranked the 419th most populous place in the 2020 Census.

Sleepy Hollow's White Population

2,531 residents of Sleepy Hollow, or 80.1% of the population, identify as White. The share of White residents in Sleepy Hollow is significantly higher than in Illinois overall, where 58.1% of the population is White. Sleepy Hollow ranks 1093rd statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Sleepy Hollow's White population has declined by an estimated 2.8%. White residents' share of Sleepy Hollow's population has decreased from 81.0% to 80.1%.

Sleepy Hollow is more White than neighboring West Dundee (77.8% White), Carpentersville (30% White), Elgin (34.9% White), East Dundee (68.6% White), and Gilberts (63.6% White).

Sleepy Hollow's Black Population

90 residents of Sleepy Hollow, or 2.8% of the population, identify as Black. The share of Black residents in Sleepy Hollow is considerably lower than in Illinois overall, where 13.3% of the population is Black. Sleepy Hollow ranks 421st statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Sleepy Hollow's Black population has grown by an estimated 73.1%. Black residents' share of Sleepy Hollow's population has increased from 1.6% to 2.8%.

Sleepy Hollow is more Black than neighboring Gilberts (0.3% Black). Sleepy Hollow is less Black than neighboring West Dundee (3% Black), Carpentersville (4.9% Black), Elgin (5.2% Black), and East Dundee (7.1% Black).

Sleepy Hollow's Asian Population

48 residents of Sleepy Hollow, or 1.5% of the population, identify as Asian. The share of Asian residents in Sleepy Hollow is slightly lower than in Illinois overall, where 5.9% of the population is Asian. Sleepy Hollow ranks 220th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Sleepy Hollow's Asian population has declined by an estimated 33.3%. Asian residents' share of Sleepy Hollow's population has decreased from 2.2% to 1.5%.

Sleepy Hollow is less Asian than neighboring West Dundee (5.8% Asian), Carpentersville (4.1% Asian), Elgin (6.6% Asian), East Dundee (2.1% Asian), and Gilberts (6.5% Asian).

Sleepy Hollow's Hispanic Population

404 residents of Sleepy Hollow, or 12.8% of the population, identify as Hispanic. The share of Hispanic residents in Sleepy Hollow is lower than in Illinois overall, where 18.8% of the population is Hispanic. Sleepy Hollow ranks 210th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Sleepy Hollow's Hispanic population has grown by an estimated 4.1%. Hispanic residents' share of Sleepy Hollow's population has increased from 12.1% to 12.8%.

Sleepy Hollow is more Hispanic than neighboring West Dundee (11.3% Hispanic). Sleepy Hollow is less Hispanic than neighboring Carpentersville (57.4% Hispanic), Elgin (48.7% Hispanic), East Dundee (16.8% Hispanic), and Gilberts (24.4% Hispanic).

Sleepy Hollow's Native American/Other Population

0 residents of Sleepy Hollow, 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 Sleepy Hollow is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Sleepy Hollow ranks 863rd statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

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

Sleepy Hollow is less Native American/Other than neighboring West Dundee (0.2% Native American/Other), Carpentersville (0.1% Native American/Other), Elgin (0.8% Native American/Other), and East Dundee (1.5% Native American/Other).

Sleepy Hollow's Multiracial Population

88 residents of Sleepy Hollow, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in Sleepy Hollow is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Sleepy Hollow ranks 1015th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Sleepy Hollow's Multiracial population has declined by an estimated 1.1%. Multiracial residents' share of Sleepy Hollow's population has remained roughly unchanged at 2.8%.

Sleepy Hollow is more Multiracial than neighboring West Dundee (1.9% Multiracial). Sleepy Hollow is less Multiracial than neighboring Carpentersville (3.6% Multiracial), Elgin (3.8% Multiracial), East Dundee (3.9% Multiracial), and Gilberts (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.