Williamson, IL Demographics

A map of Williamson's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	143	163	89.4%	89.1%
Multiracial	9	6	5.6%	3.3%
Hispanic	8	11	5.0%	6.0%
Black	0	0	0.0%	0.0%
Asian	0	1	0.0%	0.5%
Native American/Other	0	2	0.0%	1.1%

Williamson, Illinois has an estimated population of 160, a large decrease from the 183 recorded in the 2020 Census. The population is 89.4% White, 5.6% Multiracial, 5.0% Hispanic, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Williamson, with one dot drawn for each person counted by the Census, color-coded by race.

Williamson has become slightly 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 Williamson, that probability was 20.2% in 2020 and 19.6% in the most recent ACS estimates.

Williamson is ranked the 1255th 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). Williamson was ranked the 1210th most populous place in the 2020 Census.

Williamson's White Population

143 residents of Williamson, or 89.4% of the population, identify as White. The share of White residents in Williamson is significantly higher than in Illinois overall, where 58.1% of the population is White. Williamson ranks 836th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Williamson's White population has declined by an estimated 12.3%. White residents' share of Williamson's population has remained roughly unchanged at 89.4%.

Williamson is more White than neighboring Livingston (84.5% White). Williamson is less White than neighboring Staunton (94.3% White), White City (97.1% White), Mount Olive (94.3% White), and Worden (95.2% White).

Williamson's Black Population

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

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

Williamson is less Black than neighboring Staunton (0.3% Black), Mount Olive (1% Black), and Worden (1.1% Black).

Williamson's Asian Population

0 residents of Williamson, or 0.0% of the population, identify as Asian. The share of Asian residents in Williamson is lower than in Illinois overall, where 5.9% of the population is Asian. Williamson ranks 591st statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Williamson's Asian population has declined by an estimated 100.0%. Asian residents' share of Williamson's population has decreased from 0.5% to 0.0%.

Williamson is less Asian than neighboring Livingston (0.2% Asian), Staunton (2.2% Asian), and Worden (0.3% Asian).

Williamson's Hispanic Population

8 residents of Williamson, or 5.0% of the population, identify as Hispanic. The share of Hispanic residents in Williamson is considerably lower than in Illinois overall, where 18.8% of the population is Hispanic. Williamson ranks 433rd statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Williamson's Hispanic population has declined by an estimated 27.3%. Hispanic residents' share of Williamson's population has decreased from 6.0% to 5.0%.

Williamson is more Hispanic than neighboring Livingston (0% Hispanic), Staunton (0.5% Hispanic), White City (0.8% Hispanic), Mount Olive (0.7% Hispanic), and Worden (0.3% Hispanic).

Williamson's Native American/Other Population

0 residents of Williamson, 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 Williamson is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Williamson ranks 106th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Williamson's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Williamson's population has decreased from 1.1% to 0.0%.

Williamson is less Native American/Other than neighboring Livingston (0.7% Native American/Other), and Staunton (0.3% Native American/Other).

Williamson's Multiracial Population

9 residents of Williamson, or 5.6% of the population, identify as Multiracial. The share of Multiracial residents in Williamson is slightly higher than in Illinois overall, where 3.4% of the population is Multiracial. Williamson ranks 819th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Williamson's Multiracial population has grown by an estimated 50.0%. Multiracial residents' share of Williamson's population has increased from 3.3% to 5.6%.

Williamson is more Multiracial than neighboring Staunton (2.5% Multiracial), White City (2% Multiracial), Mount Olive (4% Multiracial), and Worden (3.1% Multiracial). Williamson is less Multiracial than neighboring Livingston (14.6% 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.