Iselin, NJ ZIP code
The ZIP code for Iselin, New Jersey is 08830. It is in Middlesex County.
- Population in these ZIPs
- 19,551
- Avg. median income
- $109,500population-weighted
- Typical home value
- $553,900population-weighted
- Metro area
- New York-Newark-Jersey City, NY-NJ
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Iselin, NJ ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 08830 | 19,551 | $109,500 | $553,900 |
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 Iselin
- Colonia 1 mi
- Woodbridge 2 mi
- Fords 2 mi
- Avenel 3 mi
- Metuchen 3 mi
- Rahway 3 mi
- Sewaren 4 mi
- Clark 4 mi
- Port Reading 4 mi
- Keasbey 4 mi
- Carteret 5 mi
- South Plainfield 5 mi
Frequently asked questions
What is the ZIP code for Iselin, NJ?
The ZIP code for Iselin, NJ is 08830.
What county is Iselin, New Jersey in?
Iselin ZIP codes are in Middlesex County.