Kamala D. Harris won Sonoma County with 71.4% of the vote, ahead of Donald J. Trump. 251,426 votes were counted. The party margin was a Democratic lead of 46.2 points. Compared with the previous presidential election in Sonoma County that is loaded, the margin moved 5.3 points toward Republicans.
Sonoma County leans Democratic by 49.0 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Sonoma 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 43.2 points away from the national margin.
In 2024, 251,426 votes were cast in the biggest race, which is 71.5% of the 351,885 citizens aged 18 and over in Sonoma County.
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