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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Onyx, CA

Onyx, CA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 93255StandardKern614559

Timezone(s):Pacific (GMT -08:00)
Counties:KERN, CA
Population:475 (More Details)
Male Population:236
Female Population:239
Median Age:51
ZIP Codes:1
Area Codes:1
Total Area:8,163 square miles (county)
Land Area:8,132 square miles (county)
Water Area:31 square miles (county)

Onyx, CA Demographic Information *

Total population475
Male population236
Female population239
Median age (years)51.4
White Population406
Black Population4
Indian Population9
Asian Population0
Hawaiian Population0
Hispanic Population30
Median age (Male)51.6
Median age (Female)50.8
Total households214
Family households (families)121
Average household size2.22
Average family size2.97
Total housing units295
* 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],