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ZIP Code Database - Facts & Stats

Data Last Updated: July 1, 2022

ZIP Codes for City of Alton Bay, NH

Alton Bay, NH Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 03810StandardBelknap1,538603

Timezone(s):Eastern (GMT -05:00)
Counties:BELKNAP, NH
Population:1,538 (More Details)
Male Population:790
Female Population:748
Median Age:50
ZIP Codes:1
Area Codes:1
Total Area:469 square miles (county)
Land Area:400 square miles (county)
Water Area:68 square miles (county)

Alton Bay, NH Demographic Information *

There is no Census data for the city of ALTON BAY, NH. We have pulled information for the ZIP Code 03810 instead.
Total population1,538
Male population790
Female population748
Median age (years)50.1
White Population1,517
Black Population1
Indian Population1
Asian Population5
Hawaiian Population0
Hispanic Population25
Median age (Male)50.8
Median age (Female)49.4
Total households677
Family households (families)457
Average household size2.27
Average family size2.67
Total housing units2,263
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 7/1/2022],
  2. Internal Data Creation [Last Updated: 7/1/2022],
  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],