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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Marlborough, NH

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Area Code(s):603
Timezone(s):Eastern (GMT -05:00)
City Population:1,094 (More Details)
CBSA:Keene, NH
Congressional District(s):02
Land Area:707 square miles (county)
Water Area:22 square miles (county)

1 ZIP Code

Marlborough, NH ZIP Code Boundaries

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Marlborough, NH Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Marlborough, NH Demographic Information *

Total population**1,094
Male population541
Female population553
Median age (years)40.1
White Population1,057
Black Population7
Indian Population0
Asian Population7
Hawaiian Population0
Hispanic Population12
Median age (Male)39.4
Median age (Female)40.9
Total households457
Family households (families)282
Average household size2.39
Average family size2.85
Total housing units492
* Demographic data is based on 2010 Census for the City of MARLBOROUGH.
** 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],