Kamala D. Harris won Marin County with 80.6% of the vote, ahead of Donald J. Trump. 144,113 votes were counted. The party margin was a Democratic lead of 63.9 points. Compared with the previous presidential election in Marin County that is loaded, the margin moved 2.6 points toward Republicans.
Marin County leans Democratic by 66.2 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Marin 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 54.9 points away from the national margin.
In 2024, 144,113 votes were cast in the biggest race, which is 77.9% of the 185,010 citizens aged 18 and over in Marin County.
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