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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2022

ZIP Codes for City of Loudon, NH

Loudon, NH Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 03307StandardMerrimack5,334603

Timezone(s):Eastern (GMT -05:00)
Population:559 (More Details)
Male Population:267
Female Population:292
Median Age:46
ZIP Codes:1
Area Codes:1
Total Area:956 square miles (county)
Land Area:934 square miles (county)
Water Area:22 square miles (county)

Loudon, NH Demographic Information *

Total population559
Male population267
Female population292
Median age (years)46.1
White Population545
Black Population1
Indian Population1
Asian Population3
Hawaiian Population0
Hispanic Population5
Median age (Male)43.4
Median age (Female)49.3
Total households233
Family households (families)147
Average household size2.4
Average family size2.96
Total housing units256
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 6/1/2022],
  2. Internal Data Creation [Last Updated: 6/1/2022],
  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],