Williamsville, IL Demographics

A map of Williamsville's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,140	1,337	86.8%	93.8%
Multiracial	99	59	7.5%	4.1%
Hispanic	28	24	2.1%	1.7%
Black	22	1	1.7%	0.1%
Asian	21	2	1.6%	0.1%
Native American/Other	4	2	0.3%	0.1%

Williamsville, Illinois has an estimated population of 1,314, a decrease from the 1,425 recorded in the 2020 Census. The population is 86.8% White, 7.5% Multiracial, 2.1% Hispanic, 1.7% Black, 1.6% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of Williamsville, with one dot drawn for each person counted by the Census, color-coded by race.

Williamsville 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 Williamsville, that probability was 11.8% in 2020 and 24.1% in the most recent ACS estimates.

Williamsville is ranked the 620th 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). Williamsville was ranked the 589th most populous place in the 2020 Census.

Williamsville's White Population

1,140 residents of Williamsville, or 86.8% of the population, identify as White. The share of White residents in Williamsville is significantly higher than in Illinois overall, where 58.1% of the population is White. Williamsville ranks 354th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Williamsville's White population has declined by an estimated 14.7%. White residents' share of Williamsville's population has decreased from 93.8% to 86.8%.

Williamsville is less White than neighboring Spaulding (91.5% White), Sherman (89.5% White), Elkhart (89.1% White), Riverton (94% White), and Dawson (96.5% White).

Williamsville's Black Population

22 residents of Williamsville, or 1.7% of the population, identify as Black. The share of Black residents in Williamsville is considerably lower than in Illinois overall, where 13.3% of the population is Black. Williamsville ranks 1099th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Williamsville's Black population has grown by an estimated 2100.0%. Black residents' share of Williamsville's population has increased from 0.1% to 1.7%.

Williamsville is more Black than neighboring Elkhart (0.2% Black), and Dawson (0.4% Black). Williamsville is less Black than neighboring Spaulding (3.9% Black), Sherman (8.5% Black), and Riverton (2.3% Black).

Williamsville's Asian Population

21 residents of Williamsville, or 1.6% of the population, identify as Asian. The share of Asian residents in Williamsville is slightly lower than in Illinois overall, where 5.9% of the population is Asian. Williamsville ranks 982nd statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Williamsville's Asian population has grown by an estimated 950.0%. Asian residents' share of Williamsville's population has increased from 0.1% to 1.6%.

Williamsville is more Asian than neighboring Spaulding (1.3% Asian), Sherman (0% Asian), Elkhart (0% Asian), Riverton (0.6% Asian), and Dawson (0% Asian).

Williamsville's Hispanic Population

28 residents of Williamsville, or 2.1% of the population, identify as Hispanic. The share of Hispanic residents in Williamsville is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Williamsville ranks 1058th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Williamsville's Hispanic population has grown by an estimated 16.7%. Hispanic residents' share of Williamsville's population has remained roughly unchanged at 2.1%.

Williamsville is more Hispanic than neighboring Spaulding (0.5% Hispanic), Sherman (1% Hispanic), Riverton (1.9% Hispanic), and Dawson (1.3% Hispanic). Williamsville is less Hispanic than neighboring Elkhart (5.3% Hispanic).

Williamsville's Native American/Other Population

4 residents of Williamsville, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Williamsville is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Williamsville ranks 1081st statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Williamsville's Native American/Other population has grown by an estimated 100.0%. Native American/Other residents' share of Williamsville's population has remained roughly unchanged at 0.3%.

Williamsville is more Native American/Other than neighboring Sherman (0% Native American/Other), Riverton (0% Native American/Other), and Dawson (0% Native American/Other). Williamsville is less Native American/Other than neighboring Spaulding (1% Native American/Other), and Elkhart (1.1% Native American/Other).

Williamsville's Multiracial Population

99 residents of Williamsville, or 7.5% of the population, identify as Multiracial. The share of Multiracial residents in Williamsville is slightly higher than in Illinois overall, where 3.4% of the population is Multiracial. Williamsville ranks 481st statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Williamsville's Multiracial population has grown by an estimated 67.8%. Multiracial residents' share of Williamsville's population has increased from 4.1% to 7.5%.

Williamsville is more Multiracial than neighboring Spaulding (1.9% Multiracial), Sherman (1% Multiracial), Elkhart (4.3% Multiracial), Riverton (1.2% Multiracial), and Dawson (1.9% 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.