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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Somersworth, NH

Somersworth, NH Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 03878StandardStrafford11,824603

Timezone(s):Eastern (GMT -05:00)
Population:11,766 (More Details)
Male Population:5,614
Female Population:6,152
Median Age:38
ZIP Codes:1
Area Codes:1
Total Area:384 square miles (county)
Land Area:369 square miles (county)
Water Area:15 square miles (county)

Somersworth, NH Demographic Information *

Total population11,766
Male population5,614
Female population6,152
Median age (years)37.8
White Population10,523
Black Population162
Indian Population40
Asian Population621
Hawaiian Population2
Hispanic Population296
Median age (Male)37
Median age (Female)38.6
Total households4,862
Family households (families)3,044
Average household size2.42
Average family size2.95
Total housing units5,199
* Demographic data is based on 2010 Census.

Somersworth, NH Other Information

132 Cities within 30 miles of Somersworth, NH Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  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],