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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Fitzwilliam, NH

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Area Code(s):603
Timezone(s):Eastern (GMT -05:00)
City Population:2,422 (More Details)
CBSA:Keene, NH
Congressional District(s):02
Land Area:707 square miles (county)
Water Area:22 square miles (county)

1 ZIP Code

Fitzwilliam, NH ZIP Code Boundaries

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Fitzwilliam, NH Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Fitzwilliam, NH Demographic Information *

There is no Census data for the city of FITZWILLIAM, NH. We have pulled information for the ZIP Code 03447 instead.
Total population**2,422
Male population1,202
Female population1,220
Median age (years)45.1
White Population2,335
Black Population3
Indian Population13
Asian Population15
Hawaiian Population1
Hispanic Population16
Median age (Male)45.7
Median age (Female)44.5
Total households976
Family households (families)652
Average household size2.48
Average family size2.97
Total housing units1,260
* Demographic data is based on 2010 Census for the City of FITZWILLIAM.
** 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],