Kamala D. Harris won Middlesex County with 52.5% of the vote, ahead of Donald J. Trump. 365,187 votes were counted. The party margin was a Democratic lead of 8.0 points. Compared with the previous presidential election in Middlesex County that is loaded, the margin moved 14.1 points toward Republicans.
Middlesex County leans Democratic by 11.8 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Middlesex 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 18.1 points away from the national margin.
In 2024, 365,187 votes were cast in the biggest race, which is 65.6% of the 562,985 citizens aged 18 and over in Middlesex County.
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