Williamstown, NJ ZIP code
The ZIP code for Williamstown, New Jersey is 08094. It is in Gloucester County.
- Population in these ZIPs
- 41,595
- Avg. median income
- $96,700population-weighted
- Typical home value
- $367,800population-weighted
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Williamstown, NJ ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 08094 | 41,595 | $96,699 | $367,800 |
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 Williamstown
- Franklinville 5 mi
- Sicklerville 6 mi
- Newfield 6 mi
- Clayton 7 mi
- Malaga 7 mi
- Berlin 8 mi
- Landisville 8 mi
- Newtonville 8 mi
- Waterford Works 8 mi
- Buena 9 mi
- Minotola 9 mi
- Glassboro 9 mi
Frequently asked questions
What is the ZIP code for Williamstown, NJ?
The ZIP code for Williamstown, NJ is 08094.
What county is Williamstown, New Jersey in?
Williamstown ZIP codes are in Gloucester County.