County in Illinois
Iroquois County
About 26,400 people, median household income $66,300.
Who lives in Iroquois County
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 26,400
- Median age
- 44.4 years
- Under 18
- 22%
- 65 and over
- 23%
- Veterans, of adults
- 7%
- Speak another language at home
- 6%
Race and ethnicity
- Hispanic or Latino, of any race
- 8%
- White, not Hispanic
- 87%
- Black, not Hispanic
- 1%
- Asian, not Hispanic
- under 1%
Income and housing
- Median household income
- $66,300
- Below the poverty line
- 13%
- Bachelor's or higher, adults 25+
- 18%
- Owner-occupied homes
- 80%
- Median home value
- $138,000
2024 vote for president
- Donald Trump, Republican
- 77.9%
- Kamala Harris, Democrat
- 20.6%
- Other candidates
- 1.5%
Votes counted, by precinct. Source: MIT Election Data and Science Lab, precinct returns (public domain).
Represent all of Iroquois County
Iroquois County's districts
U.S. House District 2
All of Iroquois County
Held by Robin L. Kelly, Democratic
- Washington office: (202) 225-0773
About 742,600 people, median household income $64,300.
Largest towns: Chicago (part), Calumet City, Danville and 118 more
Illinois Senate District 53
All of Iroquois County
Held by Chris Balkema, Republican
- Springfield office: (217) 782-6597
- District office: (815) 844-9179
About 214,300 people, median household income $78,800.
Largest towns: Washington (part), Streator, Pontiac and 104 more
Illinois House District 106
All of Iroquois County
Held by Jason Bunting, Republican
- Springfield office: (217) 558-1039
- District office: (779) 218-3070
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.
Towns (21)
Cities, villages and unincorporated communities, with the number of people in the county’s part of each at the 2020 Census.
- Watseka4,679
- Gilman1,738
- Clifton1,352
- Onarga1,333
- Milford1,158
- Sheldon965
- Cissna Park817
- Ashkum750
- Chebanse (part)646
- Danforth594
- Crescent City552
- Buckley495
- Loda356
- Martinton334
- Beaverville306
- Donovan251
- Woodland248
- Thawville215
- Wellington206
- Iroquois133
- Papineau133
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024; towns and counties from the 2020 Census, Demographic and Housing Characteristics. 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.