Population by Age Group
| Age Group | Under 18 | 18-64 | 65 and over | |||
|---|---|---|---|---|---|---|
| Total | Percentage | Total | Percentage | Total | Percentage | |
| Portola Valley | 851 | 19% | 2,159 | 48% | 1,446 | 32% |
* For the table above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories.