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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Martinez, CA

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Area Code(s):925
Timezone(s):Pacific (GMT -08:00)
City Population:35,824 (More Details)
CBSA:San Francisco-Oakland-Berkeley, CA
Congressional District(s):08, 10
Land Area:723 square miles (county)
Water Area:81 square miles (county)

1 ZIP Code

Martinez, CA ZIP Code Boundaries

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Martinez, CA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
94553Standard47,065100.00%BRIONES, PACHECO

Martinez, CA Demographic Information *

Total population**35,824
Male population17,633
Female population18,191
Median age (years)42.2
White Population27,603
Black Population1,303
Indian Population255
Asian Population2,876
Hawaiian Population121
Hispanic Population5,258
Median age (Male)40.9
Median age (Female)43.5
Total households14,287
Family households (families)9,173
Average household size2.42
Average family size2.95
Total housing units14,976
* Demographic data is based on 2010 Census for the City of MARTINEZ.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  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],