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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Plymouth, WA

Plymouth, WA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 99346P.O. BoxBenton352509

Timezone(s):Pacific (GMT -08:00)
Counties:BENTON, WA
Population:352 (More Details)
Male Population:191
Female Population:161
Median Age:43
ZIP Codes:1
Area Codes:1
Total Area:1,760 square miles (county)
Land Area:1,700 square miles (county)
Water Area:60 square miles (county)

Plymouth, WA Demographic Information *

There is no Census data for the city of PLYMOUTH, WA. We have pulled information for the ZIP Code 99346 instead.
Total population352
Male population191
Female population161
Median age (years)43
White Population275
Black Population0
Indian Population3
Asian Population0
Hawaiian Population1
Hispanic Population149
Median age (Male)46.2
Median age (Female)39.9
Total households135
Family households (families)89
Average household size2.61
Average family size3.33
Total housing units172
* Demographic data is based on 2010 Census.

Plymouth, WA Other Information

19 Cities within 30 miles of Plymouth, WA 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],