Village in Grundy County, Illinois
South Wilmington
Who lives in South Wilmington
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 600
- Median age
- 43.0 years
- Under 18
- 20%
- 65 and over
- 19%
- Veterans, of adults
- 6%
- Speak another language at home
- 4%
Race and ethnicity
- Hispanic or Latino, of any race
- 4%
- White, not Hispanic
- 95%
- Black, not Hispanic
- 0%
- Asian, not Hispanic
- 1%
Income and housing
- Median household income
- $86,800
- Below the poverty line
- 6%
- Bachelor's or higher, adults 25+
- 13%
- Owner-occupied homes
- 90%
- Median home value
- $174,000
2024 vote for president
Not counted for South Wilmington on its own: its precincts follow township lines, not the town’s. See the figure for Grundy County.
Who represents South Wilmington
South Wilmington's districts
U.S. House District 16
All of South Wilmington
Held by Darin LaHood, Republican
- Washington office: (202) 225-6201
About 748,900 people, median household income $84,400.
Largest towns: Bloomington (part), Pekin (part), Peoria (part) and 210 more
Illinois Senate District 40
All of South Wilmington
Held by Patrick Joyce, Democratic
- Springfield office: (217) 782-7419
- District office: (708) 756-0882
About 216,200 people, median household income $75,300.
Largest towns: Chicago Heights (part), Kankakee (part), Park Forest and 44 more
Illinois House District 79
All of South Wilmington
Held by Jackie Haas, Republican
- Springfield office: (217) 782-5981
- District office: (815) 523-7779
About 106,500 people, median household income $71,100.
Largest towns: Kankakee (part), Bourbonnais (part), Bradley (part) and 30 more
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024; towns and counties from the 2020 Census, 119th Congressional District and 2024 state legislative district tabulation. Figures rounded by us. Retrieved 2026-10-19. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024; towns and counties from the 2020 Census, 119th Congressional District and 2024 state legislative district tabulation. Figures rounded by us. Retrieved 2026-10-19. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.