ZIP code 07840: Hackettstown, NJ
07840 is a ZIP code in Hackettstown, New Jersey, mainly in Warren County, part of the Allentown-Bethlehem-Easton, PA-NJ metro area. About 32,105 people live here.
- Population
- 32,105
- Median household income
- $105,866
- Typical home value
- $490,300+3.1% in 12 months
- Median rent
- $1,487gross, per month
- Median age
- 43.1
- Homeowners
- 69.7%of occupied homes
Shaded: ZIP code 07840's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 07840 details
| City | Hackettstown |
|---|---|
| State | New Jersey |
| County | Warren County (also partly Morris County) |
| Metro area | Allentown-Bethlehem-Easton, PA-NJ |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 37.3 sq mi, plus 0.4 sq mi of water |
| Population density | 860 people per sq mi |
| Bachelor's degree or higher | 49.6% of adults 25+ |
| Average commute | 33.7 minutes |
| Center coordinates | 40.86004, -74.83179 |
Median rent in 07840 by bedrooms
| Size | Median gross rent |
|---|---|
| Studio | $1,397/mo |
| 1 bedroom | $1,362/mo |
| 2 bedrooms | $1,751/mo |
| 3 bedrooms | $1,838/mo |
| 4 bedrooms | $2,288/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 07840
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 07880 | Vienna, NJ | 2.7 mi | 173 |
| 07870 | Schooleys Mountain, NJ | 3.9 mi | 34 |
| 07828 | Budd Lake, NJ | 4.3 mi | 15,461 |
| 07838 | Great Meadows, NJ | 4.6 mi | 3,727 |
| 07820 | Allamuchy, NJ | 5.0 mi | 0 |
| 07853 | Long Valley, NJ | 5.7 mi | 12,339 |
| 07865 | Port Murray, NJ | 5.7 mi | 2,825 |
| 07836 | Flanders, NJ | 6.4 mi | 11,694 |
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
Buying a home in 07840?
A typical home in ZIP code 07840 is worth about $490,300 (Zillow Home Value Index). The median household here earns $105,866 a year. See what buying here would cost per month, with New Jersey average taxes and insurance filled in.
Monthly payment for a $490,300 homeWhat can a $105,866 income afford?Rental property numbers
About ZIP code 07840
What city is ZIP code 07840?
ZIP code 07840 is in Hackettstown, NJ, in Warren County.
What county is ZIP code 07840 in?
07840 is mainly in Warren County, New Jersey, and partly in Morris County.
What is the population of ZIP code 07840?
About 32,105 people live in ZIP code 07840, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 07840 in?
07840 is in Eastern Time (UTC−5). It observes daylight saving time.