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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Laconia, NH

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Counties:BELKNAP, NH
Area Code(s):603
Timezone(s):Eastern (GMT -05:00)
City Population:15,951 (More Details)
CBSA:Laconia, NH
Congressional District(s):01
Land Area:400 square miles (county)
Water Area:68 square miles (county)

2 ZIP Codes

Laconia, NH ZIP Code Boundaries

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Laconia, NH Covers 2 ZIP Codes

ZIP CodeTypePopulation% of PopulationAliases
03246Standard15,963100.00%LAKEPORT, WEIRS BEACH

Laconia, NH Demographic Information *

Total population**15,951
Male population7,603
Female population8,348
Median age (years)43
White Population15,073
Black Population150
Indian Population54
Asian Population391
Hawaiian Population1
Hispanic Population250
Median age (Male)41.4
Median age (Female)44.6
Total households6,838
Family households (families)4,065
Average household size2.27
Average family size2.83
Total housing units9,879
* Demographic data is based on 2010 Census for the City of LACONIA.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  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],