Donald J. Trump won Jefferson County with 50.4% of the vote, ahead of Kamala D. Harris. 7,463 votes were counted. The party margin was a Republican lead of 1.2 points. Compared with the previous presidential election in Jefferson County that is loaded, the margin moved 8.1 points toward Republicans and the winning party changed.
Jefferson County leans Democratic by 0.8 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Jefferson County voted for the winner of the national popular vote in 6 of 7 presidential elections from 2000 to 2024. On average its margin sat 6.8 points away from the national margin.
In 2024, 7,463 votes were cast in the biggest race, which is 64.1% of the 11,650 citizens aged 18 and over in Jefferson County.
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