Kamala D. Harris won Barnstable County with 59.2% of the vote, ahead of Donald J. Trump. 148,785 votes were counted. The party margin was a Democratic lead of 20.6 points. Compared with the previous presidential election in Barnstable County that is loaded, the margin moved 3.6 points toward Republicans.
Barnstable County leans Democratic by 22.0 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Barnstable 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 12.8 points away from the national margin.
In 2024, 148,785 votes were cast in the biggest race, which is 79.1% of the 188,095 citizens aged 18 and over in Barnstable County.
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