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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Keene, NH

Keene, NH Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 03431StandardCheshire25,280603
ZIP Code 03435UniqueCheshire0603

Timezone(s):Eastern (GMT -05:00)
Population:23,409 (More Details)
Male Population:10,979
Female Population:12,430
Median Age:34
ZIP Codes:2
Area Codes:1
Total Area:729 square miles (county)
Land Area:707 square miles (county)
Water Area:22 square miles (county)

Keene, NH Demographic Information *

Total population23,409
Male population10,979
Female population12,430
Median age (years)34
White Population22,314
Black Population144
Indian Population42
Asian Population474
Hawaiian Population1
Hispanic Population372
Median age (Male)32.9
Median age (Female)35.1
Total households9,052
Family households (families)4,843
Average household size2.26
Average family size2.83
Total housing units9,719
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],