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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Los Alamitos, CA

Los Alamitos, CA Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 90720StandardOrange21,751562 / 657 / 714
ZIP Code 90721P.O. BoxOrange0562 / 657 / 714

Timezone(s):Pacific (GMT -08:00)
Counties:ORANGE, CA
Population:11,449 (More Details)
Male Population:5,408
Female Population:6,041
Median Age:39
ZIP Codes:2
Area Codes:3
Total Area:948 square miles (county)
Land Area:791 square miles (county)
Water Area:157 square miles (county)

Los Alamitos, CA Demographic Information *

Total population11,449
Male population5,408
Female population6,041
Median age (years)38.7
White Population8,131
Black Population324
Indian Population51
Asian Population1,471
Hawaiian Population50
Hispanic Population2,418
Median age (Male)36.7
Median age (Female)40
Total households4,212
Family households (families)3,038
Average household size2.66
Average family size3.1
Total housing units4,355
* 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],