Kamala D. Harris won San Luis Obispo County with 53.9% of the vote, ahead of Donald J. Trump. 150,766 votes were counted. The party margin was a Democratic lead of 10.9 points. Compared with the previous presidential election in San Luis Obispo County that is loaded, the margin moved 2.2 points toward Republicans.
San Luis Obispo County leans Democratic by 11.7 points compared with the nation (our partisan lean index, based on president 2024 75% + 2020 25%).
San Luis Obispo 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 7.2 points away from the national margin.
In 2024, 150,766 votes were cast in the biggest race, which is 68.6% of the 219,690 citizens aged 18 and over in San Luis Obispo County.
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