Kamala D. Harris won DuPage County with 55.0% of the vote, ahead of Donald J. Trump. 456,882 votes were counted. The party margin was a Democratic lead of 13.1 points. Compared with the previous presidential election in DuPage County that is loaded, the margin moved 4.9 points toward Republicans.
DuPage County leans Democratic by 14.8 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
DuPage County voted for the winner of the national popular vote in 5 of 7 presidential elections from 2000 to 2024. On average its margin sat 10.1 points away from the national margin.
In 2024, 456,882 votes were cast in the biggest race, which is 70.3% of the 649,840 citizens aged 18 and over in DuPage County.
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