Donald J. Trump won Jefferson County with 67.1% of the vote, ahead of Kamala D. Harris. 14,327 votes were counted. The party margin was a Republican lead of 36.1 points. Compared with the previous presidential election in Jefferson County that is loaded, the margin moved 2.5 points toward Republicans.
Jefferson County leans Republican by 36.2 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 2 of 7 presidential elections from 2000 to 2024. On average its margin sat 24.0 points away from the national margin.
In 2024, 14,327 votes were cast in the biggest race, which is 54.7% of the 26,185 citizens aged 18 and over in Jefferson County.
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