Hillsdale, IL Demographics

A map of Hillsdale's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	380	384	84.3%	92.1%
Hispanic	49	13	10.9%	3.1%
Multiracial	20	16	4.4%	3.8%
Black	2	1	0.4%	0.2%
Asian	0	0	0.0%	0.0%
Native American/Other	0	3	0.0%	0.7%

Hillsdale, Illinois has an estimated population of 451, an increase from the 417 recorded in the 2020 Census. The population is 84.3% White, 10.9% Hispanic, 4.4% Multiracial, 0.4% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Hillsdale, with one dot drawn for each person counted by the Census, color-coded by race.

Hillsdale has become considerably 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 Hillsdale, that probability was 14.9% in 2020 and 27.6% in the most recent ACS estimates.

Hillsdale is ranked the 971st 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). Hillsdale was ranked the 983rd most populous place in the 2020 Census.

Hillsdale's White Population

380 residents of Hillsdale, or 84.3% of the population, identify as White. The share of White residents in Hillsdale is significantly higher than in Illinois overall, where 58.1% of the population is White. Hillsdale ranks 588th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hillsdale's White population has declined by an estimated 1.0%. White residents' share of Hillsdale's population has decreased from 92.1% to 84.3%.

Hillsdale is more White than neighboring Joslin (58.9% White). Hillsdale is less White than neighboring Erie (92.7% White), Port Byron (89.9% White), Geneseo (87.9% White), and Cordova (89.2% White).

Hillsdale's Black Population

2 residents of Hillsdale, or 0.4% of the population, identify as Black. The share of Black residents in Hillsdale is considerably lower than in Illinois overall, where 13.3% of the population is Black. Hillsdale ranks 1017th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hillsdale's Black population has grown by an estimated 100.0%. Black residents' share of Hillsdale's population has remained roughly unchanged at 0.4%.

Hillsdale is more Black than neighboring Joslin (0% Black), Erie (0.1% Black), Port Byron (0% Black), Geneseo (0.1% Black), and Cordova (0% Black).

Hillsdale's Asian Population

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

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

Hillsdale is less Asian than neighboring Erie (0.5% Asian), Geneseo (1% Asian), and Cordova (2% Asian).

Hillsdale's Hispanic Population

49 residents of Hillsdale, or 10.9% of the population, identify as Hispanic. The share of Hispanic residents in Hillsdale is lower than in Illinois overall, where 18.8% of the population is Hispanic. Hillsdale ranks 721st statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hillsdale's Hispanic population has grown by an estimated 276.9%. Hispanic residents' share of Hillsdale's population has increased from 3.1% to 10.9%.

Hillsdale is more Hispanic than neighboring Joslin (0% Hispanic), Erie (1.1% Hispanic), Port Byron (8.1% Hispanic), Geneseo (7.3% Hispanic), and Cordova (3.5% Hispanic).

Hillsdale's Native American/Other Population

0 residents of Hillsdale, 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 Hillsdale is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Hillsdale ranks 265th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hillsdale's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Hillsdale's population has decreased from 0.7% to 0.0%.

Hillsdale is less Native American/Other than neighboring Erie (1.9% Native American/Other), and Geneseo (0.2% Native American/Other).

Hillsdale's Multiracial Population

20 residents of Hillsdale, or 4.4% of the population, identify as Multiracial. The share of Multiracial residents in Hillsdale is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Hillsdale ranks 581st statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hillsdale's Multiracial population has grown by an estimated 25.0%. Multiracial residents' share of Hillsdale's population has increased from 3.8% to 4.4%.

Hillsdale is more Multiracial than neighboring Erie (3.8% Multiracial), Port Byron (2% Multiracial), and Geneseo (3.5% Multiracial). Hillsdale is less Multiracial than neighboring Joslin (41.1% Multiracial), and Cordova (5.4% 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.