South Wilmington, IL Demographics
A map of South Wilmington's Population by Race
South Wilmington, Illinois has an estimated population of 600, a large decrease from the 710 recorded in the 2020 Census. The population is 94.7% White, 3.8% Hispanic, 0.8% Multiracial, 0.7% Asian, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of South Wilmington, with one dot drawn for each person counted by the Census, color-coded by race.
South Wilmington has become 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 South Wilmington, that probability was 12.3% in 2020 and 10.2% in the most recent ACS estimates.
South Wilmington is ranked the 874th 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). South Wilmington was ranked the 797th most populous place in the 2020 Census.
South Wilmington's White Population
568 residents of South Wilmington, or 94.7% of the population, identify as White. The share of White residents in South Wilmington is significantly higher than in Illinois overall, where 58.1% of the population is White. South Wilmington ranks 395th statewide in terms of White residents as a share of the population, out of 1,461 places.
Since the 2020 Census, South Wilmington's White population has declined by an estimated 14.5%. White residents' share of South Wilmington's population has increased from 93.5% to 94.7%.
South Wilmington is more White than neighboring Gardner (82.1% White), Braceville (78.8% White), and Godley (94.2% White). South Wilmington is less White than neighboring East Brooklyn (98% White), and Reddick (96.5% White).
South Wilmington's Black Population
0 residents of South Wilmington, or 0.0% of the population, identify as Black. The share of Black residents in South Wilmington is considerably lower than in Illinois overall, where 13.3% of the population is Black. South Wilmington ranks 1104th statewide in terms of Black residents as a share of the population, out of 1,461 places.
Since the 2020 Census, South Wilmington's Black population has grown from 0 to an estimated 0. Black residents' share of South Wilmington's population has remained roughly unchanged at 0.0%.
South Wilmington is less Black than neighboring Gardner (0.4% Black).
South Wilmington's Asian Population
4 residents of South Wilmington, or 0.7% of the population, identify as Asian. The share of Asian residents in South Wilmington is lower than in Illinois overall, where 5.9% of the population is Asian. South Wilmington ranks 1029th statewide in terms of Asian residents as a share of the population, out of 1,461 places.
Since the 2020 Census, South Wilmington's Asian population has grown from 0 to an estimated 4. Asian residents' share of South Wilmington's population has increased from 0.0% to 0.7%.
South Wilmington is more Asian than neighboring East Brooklyn (0% Asian), Braceville (0% Asian), Godley (0.5% Asian), and Reddick (0% Asian). South Wilmington is less Asian than neighboring Gardner (1.3% Asian).
South Wilmington's Hispanic Population
23 residents of South Wilmington, or 3.8% of the population, identify as Hispanic. The share of Hispanic residents in South Wilmington is considerably lower than in Illinois overall, where 18.8% of the population is Hispanic. South Wilmington ranks 588th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.
Since the 2020 Census, South Wilmington's Hispanic population has declined by an estimated 23.3%. Hispanic residents' share of South Wilmington's population has remained roughly unchanged at 3.8%.
South Wilmington is more Hispanic than neighboring East Brooklyn (0% Hispanic), Godley (2.5% Hispanic), and Reddick (0% Hispanic). South Wilmington is less Hispanic than neighboring Gardner (13.5% Hispanic), and Braceville (19.7% Hispanic).
South Wilmington's Native American/Other Population
0 residents of South Wilmington, 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 South Wilmington is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. South Wilmington ranks 428th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.
Since the 2020 Census, South Wilmington's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of South Wilmington's population has decreased from 0.6% to 0.0%.
South Wilmington is less Native American/Other than neighboring Gardner (0.1% Native American/Other), Braceville (0.1% Native American/Other), and Godley (1.5% Native American/Other).
South Wilmington's Multiracial Population
5 residents of South Wilmington, or 0.8% of the population, identify as Multiracial. The share of Multiracial residents in South Wilmington is slightly lower than in Illinois overall, where 3.4% of the population is Multiracial. South Wilmington ranks 1320th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.
Since the 2020 Census, South Wilmington's Multiracial population has declined by an estimated 58.3%. Multiracial residents' share of South Wilmington's population has decreased from 1.7% to 0.8%.
South Wilmington is less Multiracial than neighboring East Brooklyn (2% Multiracial), Gardner (2.8% Multiracial), Braceville (1.4% Multiracial), Godley (1.3% Multiracial), and Reddick (3.5% 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.