Wilmington, IL Demographics

A map of Wilmington's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	82	87	89.1%	95.6%
Native American/Other	5	0	5.4%	0.0%
Multiracial	5	4	5.4%	4.4%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%
Hispanic	0	0	0.0%	0.0%

Wilmington, Illinois has an estimated population of 92, a slight increase from the 91 recorded in the 2020 Census. The population is 89.1% White, 5.4% Native American/Other, 5.4% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Hispanic. This demographic dot map shows the population of Wilmington, with one dot drawn for each person counted by the Census, color-coded by race.

Wilmington 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 Wilmington, that probability was 8.4% in 2020 and 20.0% in the most recent ACS estimates.

Wilmington is ranked the 1343rd 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). Wilmington was ranked the 1376th most populous place in the 2020 Census.

Wilmington's White Population

82 residents of Wilmington, or 89.1% of the population, identify as White. The share of White residents in Wilmington is significantly higher than in Illinois overall, where 58.1% of the population is White. Wilmington ranks 145th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Wilmington's White population has declined by an estimated 5.7%. White residents' share of Wilmington's population has decreased from 95.6% to 89.1%.

Wilmington is less White than neighboring Hillview (100% White), Glasgow (90.5% White), White Hall (97.6% White), Alsey (99.2% White), and Roodhouse (97% White).

Wilmington's Black Population

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

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

Wilmington is less Black than neighboring White Hall (0.6% Black).

Wilmington's Asian Population

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

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

Wilmington is less Asian than neighboring White Hall (0.2% Asian).

Wilmington's Hispanic Population

0 residents of Wilmington, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Wilmington is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Wilmington ranks 1387th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

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

Wilmington is less Hispanic than neighboring Roodhouse (2.2% Hispanic).

Wilmington's Native American/Other Population

5 residents of Wilmington, or 5.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Wilmington is slightly higher than in Illinois overall, where 0.5% of the population is Native American/Other. Wilmington ranks 1139th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Wilmington's Native American/Other population has grown from 0 to an estimated 5. Native American/Other residents' share of Wilmington's population has increased from 0.0% to 5.4%.

Wilmington is more Native American/Other than neighboring Hillview (0% Native American/Other), Glasgow (1.1% Native American/Other), White Hall (0% Native American/Other), Alsey (0% Native American/Other), and Roodhouse (0% Native American/Other).

Wilmington's Multiracial Population

5 residents of Wilmington, or 5.4% of the population, identify as Multiracial. The share of Multiracial residents in Wilmington is slightly higher than in Illinois overall, where 3.4% of the population is Multiracial. Wilmington ranks 404th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Wilmington's Multiracial population has grown by an estimated 25.0%. Multiracial residents' share of Wilmington's population has increased from 4.4% to 5.4%.

Wilmington is more Multiracial than neighboring Hillview (0% Multiracial), White Hall (1.7% Multiracial), Alsey (0.8% Multiracial), and Roodhouse (0.8% Multiracial). Wilmington is less Multiracial than neighboring Glasgow (8.4% 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.