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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Los Alamos, CA

Los Alamos, CA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 93440P.O. BoxSanta Barbara2,058805 / 820

Timezone(s):Pacific (GMT -08:00)
Population:1,890 (More Details)
Male Population:946
Female Population:944
Median Age:38
ZIP Codes:1
Area Codes:2
Total Area:3,789 square miles (county)
Land Area:2,735 square miles (county)
Water Area:1,054 square miles (county)

Los Alamos, CA Demographic Information *

Total population1,890
Male population946
Female population944
Median age (years)38.2
White Population1,667
Black Population5
Indian Population10
Asian Population32
Hawaiian Population0
Hispanic Population773
Median age (Male)36.3
Median age (Female)39.6
Total households628
Family households (families)461
Average household size3.01
Average family size3.52
Total housing units681
* 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],