Allendale, IL Demographics

A map of Allendale's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	470	441	94.2%	96.3%
Multiracial	18	6	3.6%	1.3%
Asian	9	1	1.8%	0.2%
Hispanic	2	9	0.4%	2.0%
Black	0	0	0.0%	0.0%
Native American/Other	0	1	0.0%	0.2%

Allendale, Illinois has an estimated population of 499, an increase from the 458 recorded in the 2020 Census. The population is 94.2% White, 3.6% Multiracial, 1.8% Asian, 0.4% Hispanic, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Allendale, with one dot drawn for each person counted by the Census, color-coded by race.

Allendale 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 Allendale, that probability was 7.2% in 2020 and 11.1% in the most recent ACS estimates.

Allendale is ranked the 936th 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). Allendale was ranked the 952nd most populous place in the 2020 Census.

Allendale's White Population

470 residents of Allendale, or 94.2% of the population, identify as White. The share of White residents in Allendale is significantly higher than in Illinois overall, where 58.1% of the population is White. Allendale ranks 90th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Allendale's White population has grown by an estimated 6.6%. White residents' share of Allendale's population has decreased from 96.3% to 94.2%.

Allendale is more White than neighboring St. Francisville (77.4% White), Mount Carmel (91.9% White), and Patoka (84.9% White). Allendale is less White than neighboring Hazleton (98.5% White), and Decker (98.3% White).

Allendale's Black Population

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

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

Allendale is less Black than neighboring Mount Carmel (0.7% Black), and Patoka (2.8% Black).

Allendale's Asian Population

9 residents of Allendale, or 1.8% of the population, identify as Asian. The share of Asian residents in Allendale is slightly lower than in Illinois overall, where 5.9% of the population is Asian. Allendale ranks 893rd statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Allendale's Asian population has grown by an estimated 800.0%. Asian residents' share of Allendale's population has increased from 0.2% to 1.8%.

Allendale is more Asian than neighboring St. Francisville (0% Asian), Hazleton (0% Asian), Patoka (0.1% Asian), and Decker (0% Asian). Allendale is less Asian than neighboring Mount Carmel (2.2% Asian).

Allendale's Hispanic Population

2 residents of Allendale, or 0.4% of the population, identify as Hispanic. The share of Hispanic residents in Allendale is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Allendale ranks 971st statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Allendale's Hispanic population has declined by an estimated 77.8%. Hispanic residents' share of Allendale's population has decreased from 2.0% to 0.4%.

Allendale is more Hispanic than neighboring St. Francisville (0% Hispanic), Hazleton (0% Hispanic), and Decker (0% Hispanic). Allendale is less Hispanic than neighboring Mount Carmel (2.9% Hispanic), and Patoka (2.4% Hispanic).

Allendale's Native American/Other Population

0 residents of Allendale, 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 Allendale is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Allendale ranks 999th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

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

Allendale is less Native American/Other than neighboring Patoka (4.3% Native American/Other).

Allendale's Multiracial Population

18 residents of Allendale, or 3.6% of the population, identify as Multiracial. The share of Multiracial residents in Allendale is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Allendale ranks 1379th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Allendale's Multiracial population has grown by an estimated 200.0%. Multiracial residents' share of Allendale's population has increased from 1.3% to 3.6%.

Allendale is more Multiracial than neighboring Mount Carmel (2.3% Multiracial), Hazleton (1.5% Multiracial), and Decker (1.7% Multiracial). Allendale is less Multiracial than neighboring St. Francisville (22.6% Multiracial), and Patoka (5.3% 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.