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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Londonderry, NH

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Area Code(s):603
Timezone(s):Eastern (GMT -05:00)
City Population:11,037 (More Details)
CBSA:Boston-Cambridge-Newton, MA-NH
Congressional District(s):01
Land Area:695 square miles (county)
Water Area:100 square miles (county)

2 ZIP Codes

Londonderry, NH ZIP Code Boundaries

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Londonderry, NH Covers 2 ZIP Codes

ZIP CodeTypePopulation% of PopulationAliases

Londonderry, NH Demographic Information *

Total population**11,037
Male population5,411
Female population5,626
Median age (years)41.3
White Population10,569
Black Population88
Indian Population7
Asian Population167
Hawaiian Population3
Hispanic Population278
Median age (Male)40.2
Median age (Female)42
Total households3,958
Family households (families)3,098
Average household size2.79
Average family size3.13
Total housing units4,105
* Demographic data is based on 2010 Census for the City of LONDONDERRY.
** 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],