2026 results · Illinois · county
DuPage County, Illinois
Stratton carried DuPage County by 29.0 points in the Senate race, 15.6 points more Democratic than the 2024 presidential vote here (D+13.3). 11 races have votes counted here.
- Votes counted, Senate
- 339,641
- 76% of the 449,660 votes for president in 2024
- 2026 margin
- D+29.0
- 2024 president
- D+13.3
- Shift from 2024
- 15.6 pts → D
- In Illinois
- 4th of 102
- The 4th best county for Stratton of the 102 counted; 46th for turnout against 2024.
Statewide races
- Illinois SenateJuliana Stratton won · D+25.4 across the state63.5% Juliana Stratton34.6% Don TracyD+29.0339,641 votes15.6 pts → D2024 D+13.3
- Illinois GovernorJB Pritzker won · D+24.7 across the state63.1% JB Pritzker32.8% Darren BaileyD+30.4339,168 votes17.0 pts → D2024 D+13.3
- Illinois Attorney GeneralKwame Raoul won · D+24.4 across the state64.1% Kwame Raoul35.9% Bob FiorettiD+28.1339,332 votes14.8 pts → D2024 D+13.3
- Illinois ComptrollerMargaret Croke won · D+23.2 across the state62.9% Margaret Croke37.1% Bryan DrewD+25.7335,197 votes12.4 pts → D2024 D+13.3
- Illinois Secretary of StateAlexi Giannoulias won · D+30.7 across the state67.8% Alexi Giannoulias32.2% Diane HarrisD+35.6338,318 votes22.2 pts → D2024 D+13.3
- Illinois TreasurerMike Frerichs won · D+25.5 across the state63.7% Mike Frerichs36.3% Max SolomonD+27.4334,691 votes14.0 pts → D2024 D+13.3
The House
DuPage County is split between 5 districts; each line is the county’s own part of that district.
- Illinois 3rd DistrictDuPage County's part of the district · Delia Ramirez won · D+54.9 across the district61.8% Delia Ramirez38.2% Angel OakleyD+23.664,935 votes15.7 pts → D2024 D+7.9
- Illinois 4th DistrictDuPage County's part of the district · Patty Garcia won · D+55.4 across the district50.6% Patty Garcia37.3% Lupe CastilloD+13.216,239 votes2.9 pts → D2024 D+10.3
- Illinois 6th DistrictDuPage County's part of the district · Sean Casten won · D+25.9 across the district65.3% Sean Casten34.7% Niki ConfortiD+30.6126,816 votes15.5 pts → D2024 D+15.2
- Illinois 8th DistrictDuPage County's part of the district · Melissa Bean won · D+28.7 across the district60.1% Melissa Bean39.9% Jennifer DavisD+20.250,776 votes21.2 pts → D2024 R+1.0
- Illinois 11th DistrictDuPage County's part of the district · Bill Foster won · D+28.6 across the district70.3% Bill Foster29.7% Jeffrey WalterD+40.680,243 votes15.3 pts → D2024 D+25.3
Also in this county: IL-07, IL-14, with no votes counted in this county's part. Counts come from each race’s official source, named on its own page. Margins are the leading two candidates’ difference in points of all votes counted. 2024 is the presidential vote, Harris against Trump, on the same ground (for a House district, the county’s part of it). A county is not compared with 2024 until a quarter of its 2024 vote is counted. Ranks are among the state’s counties with votes counted in the same race.