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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

ZIP Codes for City of Grafton, NH

Grafton, NH Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 03240StandardGrafton1,340

Timezone(s):Eastern (GMT -05:00)
Counties:GRAFTON, NH
Population:1,340 (More Details)
Male Population:698
Female Population:642
Median Age:46
ZIP Codes:1
Area Codes:1
Total Area:1,750 square miles (county)
Land Area:1,709 square miles (county)
Water Area:41 square miles (county)

Grafton, NH Demographic Information *

There is no Census data for the city of GRAFTON, NH. We have pulled information for the ZIP Code 03240 instead.
Total population1,340
Male population698
Female population642
Median age (years)45.6
White Population1,296
Black Population4
Indian Population3
Asian Population5
Hawaiian Population0
Hispanic Population20
Median age (Male)45.7
Median age (Female)45.3
Total households564
Family households (families)372
Average household size2.38
Average family size2.84
Total housing units839
* Demographic data is based on 2010 Census. Products


  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],