Allentown, NJ ZIP code
The ZIP code for Allentown, New Jersey is 08501. It is in Monmouth County.
- Population in these ZIPs
- 6,364
- Avg. median income
- $146,200population-weighted
- Typical home value
- $732,500population-weighted
- Metro area
- New York-Newark-Jersey City, NY-NJ
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Allentown, NJ ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 08501 | 6,364 | $146,182 | $732,500 |
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 Allentown
- Cream Ridge 4 mi
- Roosevelt 6 mi
- Windsor 6 mi
- Hightstown 6 mi
- Chesterfield 7 mi
- Millstone Township 7 mi
- Wrightstown 8 mi
- Bordentown 8 mi
- Cookstown 8 mi
- Princeton Junction 9 mi
- Joint Base Mdl 10 mi
- Trenton 11 mi
Frequently asked questions
What is the ZIP code for Allentown, NJ?
The ZIP code for Allentown, NJ is 08501.
What county is Allentown, New Jersey in?
Allentown ZIP codes are in Monmouth County.