Kamala D. Harris won New Haven County with 55.0% of the vote, ahead of Donald J. Trump. 397,987 votes were counted. The party margin was a Democratic lead of 11.9 points. Compared with the previous presidential election in New Haven County that is loaded, the margin moved 5.5 points toward Republicans.
New Haven County leans Democratic by 13.5 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
New Haven 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 15.4 points away from the national margin.
In 2020, 417,983 votes were cast in the biggest race, which is 65.4% of the 636,220 citizens aged 18 and over in New Haven County.
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