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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of South San Francisco, CA

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Counties:SAN MATEO, CA
Area Code(s):650
Timezone(s):Pacific (GMT -08:00)
City Population:63,632 (More Details)
CBSA:San Francisco-Oakland-Berkeley, CA
Congressional District(s):14, 15
Land Area:448 square miles (county)
Water Area:292 square miles (county)

2 ZIP Codes

South San Francisco, CA ZIP Code Boundaries

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South San Francisco, CA Covers 2 ZIP Codes

ZIP CodeTypePopulation% of PopulationAliases
94080Standard63,975100.00%S SAN FRAN, S SAN FRANCISCO, SSF

South San Francisco, CA Demographic Information *

Total population**63,632
Male population31,435
Female population32,197
Median age (years)38.1
White Population23,760
Black Population1,625
Indian Population395
Asian Population23,293
Hawaiian Population1,111
Hispanic Population21,645
Median age (Male)36.5
Median age (Female)39.7
Total households20,938
Family households (families)15,330
Average household size3.01
Average family size3.45
Total housing units21,814
* Demographic data is based on 2010 Census for the City of SOUTH SAN FRANCISCO.
** 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],