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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Mont Vernon, NH

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Area Code(s):603
Timezone(s):Eastern (GMT -05:00)
City Population:2,500 (More Details)
CBSA:Manchester-Nashua, NH
Congressional District(s):02
Land Area:876 square miles (county)
Water Area:16 square miles (county)

1 ZIP Code

Mont Vernon, NH ZIP Code Boundaries

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Mont Vernon, NH Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
03057Standard2,500100.00%MOUNT VERNON, MT VERNON

Mont Vernon, NH Demographic Information *

There is no Census data for the city of MONT VERNON, NH. We have pulled information for the ZIP Code 03057 instead.
Total population**2,500
Male population1,243
Female population1,257
Median age (years)42.9
White Population2,433
Black Population10
Indian Population4
Asian Population21
Hawaiian Population0
Hispanic Population38
Median age (Male)43.1
Median age (Female)42.6
Total households872
Family households (families)711
Average household size2.86
Average family size3.18
Total housing units905
* Demographic data is based on 2010 Census for the City of MONT VERNON.
** 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],