Sea Isle City
City in Cape May County, New Jersey

Sea Isle City is a city in Cape May County, New Jersey, with 2,104 residents (2020 Census). It sits at 7 ft (2 m) above sea level. The nearest town is South Seaville, 3.7 miles NW.
- 2,104residents (2020 Census)
- 7 ftelevation · 2 m
- 2.2 sq miland area · 5.7 km²
- 957 / sq mipopulation density
- 08243ZIP code
About Sea Isle City
Sea Isle City is a city in Cape May County, in the U.S. state of New Jersey. The city, and all of Cape May County, is part of the South Jersey region of the state, along with the Ocean City metropolitan statistical area and the Philadelphia metropolitan area. As of the 2020 United States census, the city's year-round population was 2,104, a decrease of 10 (−0.5%) from the 2010 census count of 2,114, which in turn reflected a decline of 721 (−25.4%) from the 2,835 counted in the 2000 census. Visitors raise the population to as much as 40,000 during the peak summer season from Memorial Day to Labor Day. Sea Isle City is located on Ludlam Island, which also contains the Strathmere section of Upper Township.
Sea Isle City was originally incorporated as a borough on May 22, 1882, from portions of Dennis Township, based on the results of a referendum held six days earlier. The borough was reincorporated on March 31, 1890. In March 1907, portions of Dennis Township and Upper Township were annexed to Sea Isle City. In April 1905, portions of Sea Isle City were annexed to Upper Township. On April 30, 1907, the area was reincorporated as the City of Sea Isle City, based on the results of a referendum held on April 20, 1907. The name derives from its location on the Atlantic Ocean.
Text: Wikipedia · CC BY-SA 4.0
Sea Isle City weather: 7-day forecast
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Living in Sea Isle City
- Median household income
- $108,359
- Median home value
- $1,087,300
- Median age
- 66.1
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Map of Sea Isle City
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Sea Isle City Street View
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Open in Google Maps ›Sea Isle City, NJ population
Sea Isle City had 2,104 residents in the 2020 Census.
| 2020 Census | 2,104 |
|---|---|
| Density | 957 per sq mi (369 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Sea Isle City at a glance
| State | New Jersey (NJ) |
|---|---|
| County | Cape May County |
| Type | City |
| Population | 2,104 (2020) |
| Land area | 2.20 sq mi (5.7 km²) |
| Water area | 0.55 sq mi (1.43 km²) |
| Elevation | 7 ft (2 m) |
| Coordinates | 39.1508° N, 74.7027° W |
| ZIP code | 08243 |
| Official website | sea-isle-city.nj.us |
| Census code (GEOID) | 3466390 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Sea Isle City
- South Seaville3.7 mi NW
- Strathmere3.8 mi NE
- Seaville4.0 mi N
- Ocean View4.1 mi NW
- Avalon4.8 mi S
- South Dennis5.6 mi W
- Palermo5.8 mi N
- Dennisville7.3 mi NW
- Dennis7.3 mi NW
- Upper7.5 mi N
- Goshen7.7 mi W
- Marmora7.8 mi N
Straight-line distance between town centers.
Frequently asked questions about Sea Isle City
What county is Sea Isle City in?
Sea Isle City is in Cape May County, New Jersey.
What is the population of Sea Isle City, NJ?
2,104 people lived in Sea Isle City at the 2020 Census.
What is the ZIP code of Sea Isle City, NJ?
The ZIP code of Sea Isle City is 08243.
What is the elevation of Sea Isle City?
7 feet (2 m) above sea level.
What towns are near Sea Isle City?
South Seaville (3.7 mi), Strathmere (3.8 mi), Seaville (4.0 mi), Ocean View (4.1 mi), Avalon (4.8 mi).
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