Town in San Mateo County, California · 9.1 sq mi · 468 people per sq mi
About 4,200 people live in Portola Valley. The typical household earns $250,001, and the median resident is 60.6 years old.
2026 projection
From 4,445 in 2020
Poverty rate 6.15%
Men 56.4 · Women 62.1
1970–2026
4,249
2026 projection
4.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1970–2026
4,249
2026 projection
4.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 4,249 | -43 | 1.00% |
|---|---|---|---|
| 2025 | 4,292 | +19 | 0.44% |
| 2024 | 4,273 | +33 | 0.78% |
| 2023 | 4,240 | 0 | 0.00% |
| 2022 | 4,240 | -53 | 1.23% |
| 2021 | 4,293 | -152 | 3.42% |
| 2020 | 4,445 | -110 | 2.41% |
| 2019 | 4,555 | -31 | 0.68% |
| 2018 | 4,586 | -12 | 0.26% |
| 2017 | 4,598 | -7 | 0.15% |
Showing 10 of 21 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 43 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 16 residents
67% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 67% | 70% | 65% |
| Never married | 17% | 23% | 11% |
| Divorced | 11% | 5% | 17% |
| Widowed | 5% | 3% | 6% |
| Separated | <1% | 0% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau