Donald J. Trump won San Joaquin County with 48.9% of the vote, ahead of Kamala D. Harris. 263,671 votes were counted. The party margin was a Republican lead of 0.9 points. Compared with the previous presidential election in San Joaquin County that is loaded, the margin moved 14.8 points toward Republicans and the winning party changed.
San Joaquin County leans Democratic by 2.9 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
San Joaquin County voted for the winner of the national popular vote in 6 of 7 presidential elections from 2000 to 2024. On average its margin sat 6.2 points away from the national margin.
In 2024, 263,671 votes were cast in the biggest race, which is 53.5% of the 492,960 citizens aged 18 and over in San Joaquin County.
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