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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Washington, NH

Need a ZIP Code for Washington, NH? Please enter an address.

Area Code(s):603
Timezone(s):Eastern (GMT -05:00)
City Population:1,123 (More Details)
CBSA:Lebanon, NH-VT
Congressional District(s):02
Land Area:537 square miles (county)
Water Area:15 square miles (county)

1 ZIP Code

Washington, NH ZIP Code Boundaries

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Washington, NH Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Washington, NH Demographic Information *

There is no Census data for the city of WASHINGTON, NH. We have pulled information for the ZIP Code 03280 instead.
Total population**1,123
Male population587
Female population536
Median age (years)46.5
White Population1,092
Black Population4
Indian Population9
Asian Population6
Hawaiian Population0
Hispanic Population15
Median age (Male)46.4
Median age (Female)46.6
Total households459
Family households (families)336
Average household size2.45
Average family size2.76
Total housing units1,093
* Demographic data is based on 2010 Census for the City of WASHINGTON.
** 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],