Sea Isle City, NJ ZIP code
The ZIP code for Sea Isle City, New Jersey is 08243. It is in Cape May County.
- Population in these ZIPs
- 2,000
- Avg. median income
- $108,400population-weighted
- Typical home value
- $1,537,800population-weighted
- Metro area
- Atlantic City-Hammonton, NJ
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Sea Isle City, NJ ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 08243 | 2,000 | $108,359 | $1,537,800 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Sea Isle City
- Ocean View 4 mi
- Strathmere 4 mi
- South Seaville 4 mi
- Avalon 4 mi
- South Dennis 7 mi
- Cape May Court House 7 mi
- Marmora 8 mi
- Stone Harbor 9 mi
- Ocean City 9 mi
- Woodbine 10 mi
- Somers Point 13 mi
- Wildwood 13 mi
Frequently asked questions
What is the ZIP code for Sea Isle City, NJ?
The ZIP code for Sea Isle City, NJ is 08243.
What county is Sea Isle City, New Jersey in?
Sea Isle City ZIP codes are in Cape May County.