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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Seabrook, NH

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Area Code(s):603
Timezone(s):Eastern (GMT -05:00)
City Population:8,776 (More Details)
CBSA:Boston-Cambridge-Newton, MA-NH
Congressional District(s):01
Land Area:695 square miles (county)
Water Area:100 square miles (county)

1 ZIP Code

Seabrook, NH ZIP Code Boundaries

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Seabrook, NH Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Seabrook, NH Demographic Information *

There is no Census data for the city of SEABROOK, NH. We have pulled information for the ZIP Code 03874 instead.
Total population**8,776
Male population4,360
Female population4,416
Median age (years)44.8
White Population8,453
Black Population46
Indian Population11
Asian Population92
Hawaiian Population0
Hispanic Population126
Median age (Male)44.2
Median age (Female)45.5
Total households3,753
Family households (families)2,300
Average household size2.34
Average family size2.9
Total housing units4,660
* Demographic data is based on 2010 Census for the City of SEABROOK.
** 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],