Sea Isle City, NJ 08243 ZIP Code Profile

Related Place Profiles:
Sea Isle City, NJ | Townsends Inlet, NJ

ZIP Code 08243: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Sea Isle City, NJ 08243

Acceptable Alternative
Townsend Inlt, NJ 08243
Townsends Inlet, NJ 08243

  • ZIP Code Type: STANDARD
  • County: Cape May County
  • Centroid: Latitude 39.152, Longitude -74.694
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 254
  • PO Box Addresses: 131
  • Residential Addresses: 2,222
    • Multi-Family Addresses: 84
    • Single Family Addresses: 2,138

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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08243 ZIP Code Map

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Sea Isle City, NJ 08243 Data & Demographics (As of July 1, 2017)


Total Population 2,322
Daytime Population: Workers 1,959
Daytime Population: Residents 1,001
Total Daytime Population (TDP) 2,960
Ratio TDP/Total Population1 1.27
Population in Households 2,322
Population in Familes 1,799
Population in Group Qrtrs 0
Population Density2 839
Diversity Index3 10


Median Household Income $65,157
Average Household Income $98,452
Per Capita Income $48,378


Total Housing Units 7,889 (100%)
Owner Occupied HU 888 (11.3%)
Renter Occupied HU 253 ( 3.2%)
Vacant Housing Units 6,748 (85.5%)
Median Home Value $756,839
Average Home Value $729,167


Total Households 1,141
Average Household Size 2.04
Family Households 706
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.3% 0.32%
Households 1.27% 0.26%
Families 1.23% 0.25%
Median Household Income   1.67%
Per Capita Income   2.02%

Sea Isle City, NJ 08243 - Peer Comparisons by Rank and Percentile

The table below compares 08243 to the other 579 ZIP Codes in New Jersey by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 501 14th
Population Density # 402 31st
Diversity Index # 568 2nd
Median Household Income # 406 30th
Per Capita Income # 176 70th

Additional comparisons and rankings can be made with a VERY EASY TO USE New Jersey Census Data Comparison Tool.

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