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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2023

ZIP Codes for City of Portola Valley, CA

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Counties:SAN MATEO, CA
Area Code(s):650
Timezone(s):Pacific (GMT -08:00)
City Population:4,353 (More Details)
CBSA:San Francisco-Oakland-Berkeley, CA
Congressional District(s):16
Land Area:448 square miles (county)
Water Area:292 square miles (county)

1 ZIP Code

Portola Valley, CA ZIP Code Boundaries

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Portola Valley, CA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
94028Standard6,534100.00%MENLO PARK, MENLO PK, PORTOLA VALLY

Portola Valley, CA Demographic Information *

Total population**4,353
Male population2,159
Female population2,194
Median age (years)51.3
White Population3,960
Black Population12
Indian Population5
Asian Population242
Hawaiian Population1
Hispanic Population175
Median age (Male)50.2
Median age (Female)52.3
Total households1,746
Family households (families)1,254
Average household size2.47
Average family size2.93
Total housing units1,895
* Demographic data is based on 2010 Census for the City of PORTOLA VALLEY.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],