Electoral MeridianIndependent Election Research

Forecasts. Results. Evidence.

States · Illinois

DuPage County, Illinois

2026 election results. Juliana Stratton (D) has 64% of the U.S. Senate vote in DuPage County, with about 92% of the expected vote counted. The margin is 15.9 points more Democratic than the 2024 presidential vote here. DuPage County is split between 5 U.S. House districts.

2026 results in DuPage County

U.S. Senate

Juliana Stratton
63.5%215,234
Don Tracy
34.6%117,326
Whitfield Harrington
1.9%6,381
92% counted

Statewide: Juliana Stratton wins. Called.

Governor

JB Pritzker
63.1%213,617
Darren Bailey
32.8%111,004
Collin Corbett
4.1%13,889
92% counted

Statewide: JB Pritzker wins. Called.

U.S. House: Illinois 3rd District

Delia Ramirez
61.8%40,060
Angel Oakley
38.2%24,766
93% counted

Only part of DuPage County is in this district; these are that part's votes. Whole district: Delia Ramirez wins. Called.

U.S. House: Illinois 4th District

Patty Garcia
50.6%8,190
Lupe Castillo
37.4%6,056
Chris Getty
10.2%1,653
Ed Hershey
1.8%298
97% counted

Only part of DuPage County is in this district; these are that part's votes. Whole district: Patty Garcia wins. Called.

U.S. House: Illinois 6th District

Sean Casten
65.3%82,650
Niki Conforti
34.7%43,932
99% counted

Only part of DuPage County is in this district; these are that part's votes. Whole district: Sean Casten wins. Called.

U.S. House: Illinois 8th District

Melissa Bean
60.1%30,451
Jennifer Davis
39.9%20,246
84% counted

Only part of DuPage County is in this district; these are that part's votes. Whole district: Melissa Bean wins. Called.

U.S. House: Illinois 11th District

Bill Foster
70.3%56,220
Jeff Walter
29.7%23,786
92% counted

Only part of DuPage County is in this district; these are that part's votes. Whole district: Bill Foster wins. Called.

The leader in DuPage County is only who has the most votes counted here. Races are won statewide or district-wide, and only the race pages report calls. Last vote update here Nov 6, 2:43 PM.

Compared with 2024

RaceMargin2024 presidentShift
IL SenateD +29.4D +13.5D +15.9
IL GovernorD +31.6D +13.5D +18.1
IL-03 part of the countyD +23.6——
IL-04 part of the countyD +15.0——
IL-06 part of the countyD +30.6——
IL-08 part of the countyD +20.1——
IL-11 part of the countyD +40.5——

Margins compare the Democrat and the Republican only. The 2024 column is the presidential margin in the same places as each race's votes here. Shift is this year's margin minus it, shown once at least 90% of the expected vote is counted. A dash means there's no 2024 figure for those exact places.

How DuPage County has voted for president

YearDemocratShareRepublicanShareMarginVotes
2024Kamala Harris54.2%Donald Trump41.3%D +12.9463,203
2020Joe Biden58.0%Donald Trump39.9%D +18.1485,062
2016Hillary Clinton53.3%Donald Trump38.8%D +14.5428,769
2012Barack Obama49.7%Mitt Romney48.6%D +1.1401,079
2008Barack Obama54.7%John McCain43.9%D +10.8417,973
2004John Kerry44.8%George W. Bush54.4%R +9.6402,446
2000Al Gore41.9%George W. Bush55.2%R +13.3364,362

Shares are of all presidential votes, and the margin is the Democrat's share minus the Republican's. Since 2000, the presidential margin here has moved D +26.2.

Other counties in Illinois

Illinois results

Sources & scope

Votes for 2026 come from the count this site reads, by county. They're unofficial until Illinois certifies them. Past presidential votes are from MEDSL and VEST, via Polling Forecast. Illinois's own results, deadlines and offices are on the state page.