Hackettstown, NJ ZIP code
The ZIP code for Hackettstown, New Jersey is 07840. It is in Warren County.
- Population in these ZIPs
- 32,105
- Avg. median income
- $105,900population-weighted
- Typical home value
- $490,300population-weighted
- Metro area
- Allentown-Bethlehem-Easton, PA-NJ
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Hackettstown, NJ ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 07840 | 32,105 | $105,866 | $490,300 |
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 Hackettstown
- Vienna 3 mi
- Schooleys Mountain 4 mi
- Budd Lake 4 mi
- Great Meadows 5 mi
- Long Valley 6 mi
- Port Murray 6 mi
- Flanders 6 mi
- Oxford 8 mi
- Netcong 8 mi
- Johnsonburg 8 mi
- Hope 8 mi
- Stanhope 8 mi
Frequently asked questions
What is the ZIP code for Hackettstown, NJ?
The ZIP code for Hackettstown, NJ is 07840.
What county is Hackettstown, New Jersey in?
Hackettstown ZIP codes are in Warren County.