Kamala D. Harris won Suffolk County with 74.3% of the vote, ahead of Donald J. Trump. 299,193 votes were counted. The party margin was a Democratic lead of 52.1 points. Compared with the previous presidential election in Suffolk County that is loaded, the margin moved 10.8 points toward Republicans.
Suffolk County leans Democratic by 56.5 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Suffolk 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 56.2 points away from the national margin.
In 2024, 299,193 votes were cast in the biggest race, which is 54.3% of the 551,265 citizens aged 18 and over in Suffolk County.
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