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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of San Marino, CA

San Marino, CA Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 91108StandardLos Angeles13,361626
ZIP Code 91118P.O. BoxLos Angeles0626 / 323

Timezone(s):Pacific (GMT -08:00)
Population:13,147 (More Details)
Male Population:6,314
Female Population:6,833
Median Age:45
ZIP Codes:2
Area Codes:2
Total Area:4,751 square miles (county)
Land Area:4,058 square miles (county)
Water Area:693 square miles (county)

San Marino, CA Demographic Information *

Total population13,147
Male population6,314
Female population6,833
Median age (years)45.3
White Population5,434
Black Population55
Indian Population5
Asian Population7,039
Hawaiian Population2
Hispanic Population855
Median age (Male)44.5
Median age (Female)46
Total households4,330
Family households (families)3,730
Average household size3.02
Average family size3.28
Total housing units4,477
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],