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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2022

ZIP Codes for City of Alpine, CA

Alpine, CA Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 91901StandardSan Diego17,403619
ZIP Code 91903P.O. BoxSan Diego0619

Timezone(s):Pacific (GMT -08:00)
Counties:SAN DIEGO, CA
Population:14,236 (More Details)
Male Population:7,040
Female Population:7,196
Median Age:42
ZIP Codes:2
Area Codes:1
Total Area:4,526 square miles (county)
Land Area:4,207 square miles (county)
Water Area:319 square miles (county)

Alpine, CA Demographic Information *

Total population14,236
Male population7,040
Female population7,196
Median age (years)41.9
White Population12,424
Black Population167
Indian Population222
Asian Population319
Hawaiian Population39
Hispanic Population2,081
Median age (Male)41
Median age (Female)42.9
Total households5,248
Family households (families)3,903
Average household size2.69
Average family size3.09
Total housing units5,536
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 6/1/2022],
  2. Internal Data Creation [Last Updated: 6/1/2022],
  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],