Kamala D. Harris won Alameda County with 74.6% of the vote, ahead of Donald J. Trump. 669,907 votes were counted. The party margin was a Democratic lead of 53.6 points. Compared with the previous presidential election in Alameda County that is loaded, the margin moved 9.0 points toward Republicans.
Alameda County leans Democratic by 58.0 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
Alameda 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 56.9 points away from the national margin.
In 2024, 669,907 votes were cast in the biggest race, which is 61.5% of the 1,088,770 citizens aged 18 and over in Alameda County.
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