House districts / Illinois


Illinois's 16th congressional district

IL-16. Same lines in 2026 as in 2022.

Darin LaHood
Current member
Darin LaHood
Republican. In office since 2015.
2026 lines

Fundraising

2 other 2026 candidates filed reports (primary candidates). 4 other candidates have not filed.

Federal Election Commission, candidate totals, public domain.

President in this district

PollCheck calculation from precinct returns on the 2026 lines (method).

YearDemocratRepublicanOtherMargin
2024Harris 37.6%Trump 60.1%2.4%R+22.5
2020Biden 38.1%Trump 59.6%2.3%R+21.5
2016Clinton 34.3%Trump 58.0%7.7%R+23.8

Who lives here

MeasureThis districtUS
People
Population
748,860
Adults (18+)
577,626
Citizens, % of adults
97.4%
92.1%
Age, % of adults
18 to 29
16.8%
20.3%
30 to 44
23.9%
25.9%
45 to 64
33.4%
31.8%
65 and over
25.9%
22.0%
Race and Hispanic origin, % of residents
White
83.9%
57.4%
Black
2.4%
11.9%
Hispanic
7.3%
19.3%
Asian
2.5%
5.9%
Other or more than one
3.8%
5.5%
Education and income
Bachelor's degree or higher, % of 25+
31.6%
35.7%
Median household income
$84,411
$80,734

American Community Survey 2020-2024 5-year estimates for this district. The tick marks the US figure.

Winning margin

Results since 1976

YearWinnerShare Runner-upShareMargin
Current lines (2022 on) seat count changed from 18 to 17 after the census
2024Darin LaHood Republican99.9%Scott Summers Write-in0.1%R+99.9
2022Darin LaHood Republican66.3%Elizabeth “Lisa” Haderlein Democrat33.7%R+32.7
Earlier lines, elections 2012-2020 seat count changed from 19 to 18 after the census
2020Adam Kinzinger Republican64.7%Dani Brzozowski Democrat35.3%R+29.4
2018Adam Kinzinger Republican59.1%Sara Dady Democrat40.9%R+18.2
2016Adam Kinzinger Republican100.0% others 0.1%R+99.9
2014Adam Kinzinger Republican70.6%Randall Wayne Olsen Democrat29.4%R+41.2
2012Adam Kinzinger Republican61.8%Wanda Rohl Democrat38.2%R+23.6
Earlier lines, elections 2002-2010 seat count changed from 20 to 19 after the census
2010Donald A. Manzullo Republican65.0%George W. Gaulrapp Democrat others 4.0%31.0%R+34.0
2008Donald A. Manzullo Republican60.9%Robert G. Abboud Democrat others 3.0%36.1%R+24.8
2006Donald A. Manzullo Republican63.5%Richard D. Auman Democrat others 4.3%32.1%R+31.4
2004Donald A. Manzullo Republican69.1%John H. Kutsch Democrat30.9%R+38.2
2002Donald A. Manzullo Republican70.6%John Kutsch Democrat29.4%R+41.2
Earlier lines, elections 1992-2000 seat count changed from 22 to 20 after the census
2000Donald A. Manzullo Republican66.7%Charles W. Hendrickson Democrat33.2%R+33.5
1998Donald A. Manzullo Republican100.0%R+100.0
1996Donald A. Manzullo Republican60.3%Catherine M. Lee Democrat39.7%R+20.6
1994Donald A. Manzullo Republican70.6%Pete Sullivan Democrat29.4%R+41.3
1992Donald A. Manzullo Republican55.6%John W. Cox, Jr. Democrat44.4%R+11.3
Earlier lines, elections 1982-1990 seat count changed from 24 to 22 after the census
1990John W. Cox Jr. Democrat54.6%John W. Hallock Jr. Republican45.4%D+9.2
1988Lynn Martin Republican63.9%Steven E. Mahan Democrat36.1%R+27.9
1986Lynn Morley Martin Republican66.9%Kenneth F. Bohnsack Democrat33.1%R+33.7
1984Lynn Martin Republican58.4%Carl R. "Skip" Schwerdtfeger Democrat41.6%R+16.9
1982Lynn Martin Republican57.2%Carl R. "Skip" Schwerdtfeger Democrat42.8%R+14.4
Earlier lines, elections 1976-1980
1980Lynn Martin Republican67.4%Douglas R. Aurand Democrat32.6%R+34.8
1978John B. Anderson Republican65.4%Ernest W. Dahlin Democrat others 0.1%34.5%R+30.9
1976John B. Anderson Republican67.9%Stephen Eytalis Democrat32.1%R+35.8

More on Illinois

Other Illinois districts

About these results

Shares count all candidate votes, including write-ins, with a candidate's votes on several party lines added together. Each result is on the lines in force at the time. Mid-decade redraws before 2016 may be unmarked.

President in this district: 2016 and 2020 are estimates: precinct votes are split between districts by census block.

Counties only partly inside the district show the 2024 result for that part; estimates are labelled.

Margin chart: winner minus runner-up. Gaps are unopposed races; dashed lines are new district lines.

Sources

Results: MIT Election Data and Science Lab, U.S. House 1976-2016 (doi:10.7910/DVN/IG0UN2, CC0; via MEDSL/constituency-returns), and Clerk of the US House, Statistics of the Presidential and Congressional Election 2018-2024 (public domain).

Presidential results: PollCheck calculation from MIT Election Data and Science Lab 2024 precinct returns (doi:10.7910/DVN/XDJYKC, doi:10.7910/DVN/USBYR4, CC0; state totals doi:10.7910/DVN/42MVDX, CC0) and Voting and Election Science Team 2016 and 2020 precinct results and shapes (doi:10.7910/DVN/NH5S2I, doi:10.7910/DVN/K7760H, CC BY 4.0), with US Census Bureau 2020 block populations and block equivalency files (public domain). Official figures: Texas Legislative Council (2024 on the 2026 lines); Louisiana, New Jersey, California and Washington election offices (county totals). Certified results transcribed by Wikipedia (CC BY-SA 4.0): Maine 2024 by district: 2024 United States presidential election in Maine (revision 1382530995); Indiana county totals: 2024 United States presidential election in Indiana (revision 1382505975); Oregon county totals: 2024 United States presidential election in Oregon (revision 1382605746).

District lines: US Census Bureau TIGER/Line 2026 (120th Congress) and 2025 cartographic boundary files (119th Congress), public domain.

Members: unitedstates/congress-legislators (CC0).

Counties: US Census Bureau 2024 cartographic boundary file (public domain); 2024 county results summed from the same MEDSL precinct returns, with the official county totals above.

Demographics: US Census Bureau, American Community Survey 5-year estimates 2020-2024 (public domain).

2028 candidates: Federal Election Commission (public domain).

Photos: official portraits, public domain (US government); see Photo credits.

PollCheck US. Data through November 5, 2026. Photo credits