South Amboy, NJ ZIP code
The ZIP code for South Amboy, New Jersey is 08879. It is in Middlesex County.
- Population in these ZIPs
- 23,556
- Avg. median income
- $92,800population-weighted
- Typical home value
- $521,400population-weighted
- Metro area
- New York-Newark-Jersey City, NY-NJ
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South Amboy, NJ ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 08879 | 23,556 | $92,786 | $521,400 |
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 South Amboy
- Parlin 1 mi
- Cliffwood 3 mi
- Keyport 3 mi
- Perth Amboy 4 mi
- Keasbey 4 mi
- Matawan 4 mi
- Fords 5 mi
- South River 5 mi
- Old Bridge 6 mi
- Sayreville 6 mi
- Woodbridge 6 mi
- Sewaren 6 mi
Frequently asked questions
What is the ZIP code for South Amboy, NJ?
The ZIP code for South Amboy, NJ is 08879.
What county is South Amboy, New Jersey in?
South Amboy ZIP codes are in Middlesex County.