Portola Valley Flag

Portola Valley

County Seat:
No
Area (mi²):
9.083
State:
California

Portola Valley is a town located in San Mateo County, California. Portola Valley has a 2026 population of 4,282. Portola Valley is currently growing at a rate of 0.94% annually but its population has decreased by -3.69% since the most recent census, which recorded a population of 4,446 in 2020.

4.3K
Total Population
471
Density (mi²)
40 0.94%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)