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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Los Osos, CA

Los Osos, CA Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 93402StandardSan Luis Obispo14,318805
ZIP Code 93412P.O. BoxSan Luis Obispo0805

Timezone(s):Pacific (GMT -08:00)
Population:14,276 (More Details)
Male Population:6,972
Female Population:7,304
Median Age:47
ZIP Codes:2
Area Codes:1
Total Area:3,616 square miles (county)
Land Area:3,299 square miles (county)
Water Area:317 square miles (county)

Los Osos, CA Demographic Information *

Total population14,276
Male population6,972
Female population7,304
Median age (years)47.2
White Population12,304
Black Population79
Indian Population97
Asian Population748
Hawaiian Population18
Hispanic Population1,977
Median age (Male)44.1
Median age (Female)49.2
Total households5,958
Family households (families)3,836
Average household size2.38
Average family size2.86
Total housing units6,488
* 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],