Kamala D. Harris won Chester County with 56.7% of the vote, ahead of Donald J. Trump. 324,964 votes were counted. The party margin was a Democratic lead of 14.5 points. Compared with the previous presidential election in Chester County that is loaded, the margin moved 2.7 points toward Republicans.
Chester County leans Democratic by 15.3 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Chester County voted for the winner of the national popular vote in 4 of 7 presidential elections from 2000 to 2024. On average its margin sat 7.9 points away from the national margin.
In 2024, 324,964 votes were cast in the biggest race, which is 81.9% of the 396,830 citizens aged 18 and over in Chester County.
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