| Place Name | Portola Valley |
| Place Type | Town |
| ZIP Code(s) | 94028 |
| County | San Mateo County |
| Area Code(s) | 650 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 4,379 |
| Population Growth Rate (2010-19) | 2.37% |
| Majority Ethnicity | White 81.41% |
| Metro/Micro Stats Area | San Francisco-Oakland-Berkeley, CA |
| US Congressional District(s) | California 18th |
| State Assembly Districts | 24 |
| State Senate Districts | 13 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 81.41% |
| African American | 0.07% |
| Hispanic | 0.18% |
| Asian | 6.44% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 11.9% |