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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2023

ZIP Codes for City of Sea Isle City, NJ

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Counties:CAPE MAY, NJ
Area Code(s):609, 640
Timezone(s):Eastern (GMT -05:00)
City Population:2,114 (More Details)
CBSA:Ocean City, NJ
Congressional District(s):02
Land Area:251 square miles (county)
Water Area:369 square miles (county)

1 ZIP Code

Sea Isle City, NJ ZIP Code Boundaries

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Sea Isle City, NJ Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
08243Standard2,114100.00%TOWNSEND INLT, TOWNSENDS INLET

Sea Isle City, NJ Demographic Information *

Total population**2,114
Male population1,046
Female population1,068
Median age (years)58.1
White Population2,085
Black Population2
Indian Population5
Asian Population4
Hawaiian Population0
Hispanic Population51
Median age (Male)56.8
Median age (Female)59.1
Total households1,041
Family households (families)646
Average household size2.03
Average family size2.54
Total housing units6,900
* Demographic data is based on 2010 Census for the City of SEA ISLE CITY.
** 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],