Donald J. Trump won Jefferson Parish with 55.4% of the vote, ahead of Kamala D. Harris. 178,205 votes were counted. The party margin was a Republican lead of 13.0 points. Compared with the previous presidential election in Jefferson Parish that is loaded, the margin moved 1.9 points toward Republicans.
Jefferson Parish leans Republican by 12.7 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Jefferson Parish voted for the winner of the national popular vote in 2 of 7 presidential elections from 2000 to 2024. On average its margin sat 20.6 points away from the national margin.
In 2024, 178,205 votes were cast in the biggest race, which is 58.4% of the 305,415 citizens aged 18 and over in Jefferson Parish.
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