Iselin
Census-designated place in Middlesex County, New Jersey

Iselin is an unincorporated community (census-designated place) in Middlesex County, New Jersey, with 20,088 residents (2020 Census). It sits at 30 ft (9 m) above sea level. The nearest town is Menlo Park Terrace, 1.2 miles S.
- 20,088residents (2020 Census)
- 30 ftelevation · 9 m
- 3.2 sq miland area · 8.2 km²
- 6,374 / sq mipopulation density
- 08830main ZIP code (2 in total)
About Iselin
Iselin () is an unincorporated community and census-designated place (CDP) located within Woodbridge Township, in Middlesex County, in the U.S. state of New Jersey. As of the 2020 United States census, Iselin's population was 20,088, up from 18,695 in 2010.
Previously known as "Perrytown" and "Unionville", Iselin received its current name after New York City investment banker and philanthropist Adrian Iselin, who established a finishing school in the 1870s for girls from wealthy New York families there. Iselin additionally subsidized the erection of a new train station, which was later replaced by a newer station to the south known as Metropark.
Text: Wikipedia · CC BY-SA 4.0
Iselin weather: 7-day forecast
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Living in Iselin
- Median household income
- $109,500
- Median home value
- $426,800
- Median rent
- $2,113/mo
- Median age
- 38.5
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Map of Iselin
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Open in Google Maps ›Iselin, NJ population
Iselin had 20,088 residents in the 2020 Census.
| 2020 Census | 20,088 |
|---|---|
| Density | 6,374 per sq mi (2,461 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Iselin at a glance
| State | New Jersey (NJ) |
|---|---|
| County | Middlesex County |
| Type | Census-designated place |
| Population | 20,088 (2020) |
| Land area | 3.15 sq mi (8.2 km²) |
| Water area | 0.00 sq mi (0.00 km²) |
| Elevation | 30 ft (9 m) |
| Coordinates | 40.5702° N, 74.3164° W |
| ZIP codes | 08830, 07067 |
| Census code (GEOID) | 3434470 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Iselin
- Menlo Park Terrace1.2 mi S
- Colonia1.3 mi N
- Woodbridge1.4 mi SE
- Fords2.4 mi S
- Avenel2.5 mi NE
- Metuchen3.1 mi SW
- Hopelawn3.1 mi SE
- Rahway3.2 mi NE
- Clark3.3 mi N
- Sewaren3.7 mi SE
- Port Reading3.8 mi E
- Keasbey3.8 mi S
Straight-line distance between town centers.
Frequently asked questions about Iselin
What county is Iselin in?
Iselin is in Middlesex County, New Jersey.
What is the population of Iselin, NJ?
20,088 people lived in Iselin at the 2020 Census.
What is the ZIP code of Iselin, NJ?
The main ZIP code is 08830. Other ZIP codes: 07067.
What is the elevation of Iselin?
30 feet (9 m) above sea level.
What towns are near Iselin?
Menlo Park Terrace (1.2 mi), Colonia (1.3 mi), Woodbridge (1.4 mi), Fords (2.4 mi), Avenel (2.5 mi).
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