Unincorporated community in Rock Island County, Illinois
Illinois City
Who lives in Illinois City
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 73
- Median age
- 25.5 years
- Under 18
- 0%
- 65 and over
- 22%
- Veterans, of adults
- 11%
- Speak another language at home
- 0%
Race and ethnicity
- Hispanic or Latino, of any race
- 0%
- White, not Hispanic
- 100%
- Black, not Hispanic
- 0%
- Asian, not Hispanic
- 0%
Income and housing
- Below the poverty line
- 0%
- Bachelor's or higher, adults 25+
- 38%
- Owner-occupied homes
- 53%
2024 vote for president
Not counted for Illinois City on its own: its precincts follow township lines, not the town’s. See the figure for Rock Island County.
Who represents Illinois City
Illinois City's districts
U.S. House District 17
All of Illinois City
Held by Eric Sorensen, Democratic
- Washington office: (202) 225-5905
About 746,000 people, median household income $59,400.
Largest towns: Rockford (part), Peoria (part), Bloomington (part) and 124 more
Illinois Senate District 47
All of Illinois City
Held by Neil Anderson, Republican
- Springfield office: (217) 782-5957
- District office: (309) 230-7584
Illinois House District 94
All of Illinois City
Held by Norine Hammond, Republican
- Springfield office: (217) 782-0416
- District office: (309) 836-2707
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.