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ZIP Code Database - Facts & Stats

Data Last Updated: April 1, 2023

ZIP Codes for City of Plymouth, CA

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Counties:AMADOR, CA
Area Code(s):916, 209, 279
Timezone(s):Pacific (GMT -08:00)
City Population:1,005 (More Details)
Congressional District(s):05
Land Area:595 square miles (county)
Water Area:11 square miles (county)

1 ZIP Code

Plymouth, CA ZIP Code Boundaries

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Plymouth, CA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Plymouth, CA Demographic Information *

Total population**1,005
Male population462
Female population543
Median age (years)40.1
White Population850
Black Population3
Indian Population18
Asian Population6
Hawaiian Population2
Hispanic Population183
Median age (Male)37.6
Median age (Female)41.6
Total households403
Family households (families)249
Average household size2.47
Average family size3.14
Total housing units493
* Demographic data is based on 2010 Census for the City of PLYMOUTH.
** 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],