California·CA·FIPS 06079

San Luis Obispo County

Voted Democratic in 2024 · 150,766 votes cast

About San Luis Obispo County

San Luis Obispo County, officially the County of San Luis Obispo, is a county on the Central Coast of California. As of the 2020 United States census, the population was 282,424. The county seat is San Luis Obispo.

2024 Presidential Results

All candidates · San Luis Obispo County, California

Kamala D Harris(Democrat)

53.9%81,314

Won by 16,382 votes

Donald J Trump(Republican)

43.1%64,932

Other(Other)

2.4%3,640

Chase Oliver(Libertarian)

0.6%880

Margin History

Red = Republican, Blue = Democratic

2024D+10.9

2020D+13.1

2016D+8.1

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Swung Right in 2024

San Luis Obispo County shifted 2.2 points toward Republicans compared to 2020. Voter turnout decreased by 5.6%.

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No one has claimed San Luis Obispo County yet

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San Luis Obispo County — Local Discussion

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Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)