| Name | San Luis Obispo County |
| State | California |
| FIPS Code | 06079 |
| County Seat | San Luis Obispo |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2024) | 282,007 |
| Population Growth Rate(2020-2024) | -0.16% |
| Majority Ethnicity | White 70.38% |
| Public School Majority Ethnicity | White 48% |
| Partisan Voting Index | Democratic:+5 |
| Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 7.25% |
| Area Code(s) | 805 / 820 / 661 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 70.38% |
| African American | 1.1% |
| Hispanic | 23.83% |
| Asian | 3.61% |
| Native American | 0.9% |
| Hawaiin/Pacific Islander | 0.17% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 48.02% |
| African American | 0.72% |
| Hispanic | 42.62% |
| Asian | 2.41% |
| Native American | 0.34% |
| Hawaiin/Pacific Islander | 0.12% |