County in Illinois
Peoria County
About 179,600 people, median household income $65,100.
District lines run through Peoria County, so who represents you here depends on where you live. Search your address to see yours.
Who lives in Peoria County
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 179,600
- Median age
- 38.1 years
- Under 18
- 24%
- 65 and over
- 18%
- Veterans, of adults
- 6%
- Speak another language at home
- 9%
Race and ethnicity
- Hispanic or Latino, of any race
- 6%
- White, not Hispanic
- 66%
- Black, not Hispanic
- 17%
- Asian, not Hispanic
- 5%
Income and housing
- Median household income
- $65,100
- Below the poverty line
- 16%
- Bachelor's or higher, adults 25+
- 35%
- Owner-occupied homes
- 67%
- Median home value
- $159,000
2024 vote for president
- Kamala Harris, Democrat
- 51.3%
- Donald Trump, Republican
- 46.6%
- Other candidates
- 2.1%
Votes counted, by precinct. Source: MIT Election Data and Science Lab, precinct returns (public domain).
Represent all of Peoria County
Peoria County's districts (12)
U.S. House (2)
- U.S. House District 16
Held by Darin LaHood, Republican
Part of Peoria County: 59,757 people in 2020
- U.S. House District 17
Held by Eric Sorensen, Democratic
Part of Peoria County: 122,073 people in 2020
Illinois Senate (4)
- Illinois Senate District 37
Held by Li Arellano, Republican
Part of Peoria County: 34,340 people in 2020
- Illinois Senate District 46
Held by Dave Koehler, Democratic
Part of Peoria County: 113,610 people in 2020
- Illinois Senate District 47
Held by Neil Anderson, Republican
Part of Peoria County: 32,162 people in 2020
- Illinois Senate District 53
Held by Chris Balkema, Republican
Part of Peoria County: 1,718 people in 2020
Illinois House (6)
- Illinois House District 73
Held by Ryan Spain, Republican
Part of Peoria County: 34,340 people in 2020
- Illinois House District 91
Held by Sharon Chung, Democratic
Part of Peoria County: 5,111 people in 2020
- Illinois House District 92
Held by Jehan Gordon-Booth, Democratic
Part of Peoria County: 108,499 people in 2020
- Illinois House District 93
Held by Travis Weaver, Republican
Part of Peoria County: 32,032 people in 2020
- Illinois House District 94
Held by Norine Hammond, Republican
Part of Peoria County: 130 people in 2020
- Illinois House District 105
Held by Dennis Tipsword, Republican
Part of Peoria County: 1,718 people in 2020
Towns (22)
Cities, villages and unincorporated communities, with the number of people in the county’s part of each at the 2020 Census.
- Peoria113,150
- Chillicothe6,128
- Bartonville5,945
- Peoria Heights (part)5,908
- West Peoria4,263
- Elmwood2,058
- Bellevue1,878
- Lake Camelot1,798
- Princeville1,636
- Rome1,604
- Dunlap1,603
- Hanna City1,253
- Glasford866
- Brimfield778
- Norwood437
- Trivoli385
- Mossville268
- Kingston Mines266
- Mapleton261
- Smithville157
- Farmington (part)0
- Pekin (part)0
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.