US ZIP Code
07840

Hackettstown, NJ

Warren County  ·  New Jersey

● Active
👥 31,995 Population ↑ 5% since 2019
💰 $107,956 Median HH Income
▲ 41% above avg ↑ 27% since 2019
🎂 42.9 Median Age ↑ 3% since 2019
🏠 $373,000 Median Home Value
▲ 34% above avg ↑ 25% since 2019
🎓 58.7% College Grads
▲ 52% above avg
📊 7.1% Unemployment
▲ 45% above avg ↑ 31% since 2019
ZIP Code Details
ZIP Code07840
CityHackettstown
StateNew Jersey (NJ)
CountyWarren County
Area Code908
Elevation612 ft
Latitude40.860045
Longitude-74.831795
TimezoneNew York (DST)
FIPS34041
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.4% (15,486) Female 51.6% (16,509) ♀

Race & Ethnicity

White: 69.9%Hispanic: 16.6%Black: 5.3%Asian: 6.6%Other: 1.4%Race
White69.9%
Hispanic16.6%
Black5.3%
Asian6.6%
Other1.4%

Age Breakdown

Under 5
4%
5–17
16%
18–24
9%
25–44
22%
45–64
30%
65+
7%

Key Indicators

Median Age42.9 yrs ↑ 3% since 2019
Avg Household Size2.44
Below Poverty5.5% ▼ 45% below avg
College Grads58.7% ▲ 52% above avg
Unemployment7.1% ▲ 45% above avg
No HS Diploma211 (1%)
HS Graduate5,119 (23.6%)
Some College1,624 (7.5%)
Associates1,996 (9.2%)
Bachelors1,903 (8.8%)
Graduate Degree10,828 (49.9%)

Education

No HS: 1%HS Grad: 23.6%Some College: 7.5%Associates: 9.2%Bachelors: 8.8%Graduate: 49.9%Edu
No HS1.0%
HS Grad23.6%
Some College7.5%
Associates9.2%
Bachelors8.8%
Graduate49.9%
Housing & Income

Housing Tenure

Owner: 70.8%Renter: 29.2%Tenure
Owner70.8%
Renter29.2%

Home Value Distribution

Under $50k
2%
$50k–100k
1%
$100k–150k
2%
$150k–200k
4%
$200k–300k
24%
$300k–500k
47%
Over $500k
21%

Financials

Median HH Income$107,956 ▲ 41% above avg ↑ 27% since 2019
Median Home Value$373,000 ▲ 34% above avg ↑ 25% since 2019
Home/Income Ratio3.5x (nat avg ~3.5x)
Median Rent$1,469/mo ↑ 19% since 2019
Total Units12,974
Vacant Units217
Avg HH Size2.44

Income Distribution

Under $25k
8%
$25k–50k
10%
$50k–75k
15%
$75k–100k
11%
$100k–150k
23%
$150k–200k
15%
Over $200k
18%
Employment & Commute

How People Get to Work

Drove Alone
82%
Public Transit
1%
Walked
2%
Work From Home
15%

Commute Time

Under 15 min
24%
15–30 min
26%
30–45 min
17%
Over 45 min
33%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
11%
1960s–1970s
15%
1980s–1990s
18%
2000+
54%

Summary

Total Units12,974
Vacant217
Owner Occupied70.8%
Renter Occupied29.2%
Avg HH Size2.44
Frequently Asked Questions
ZIP code 07840 is in Hackettstown, NJ, in Warren County.
ZIP code 07840 is located in New Jersey (NJ).
ZIP code 07840 is in Warren County, NJ.
ZIP 07840 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 07840 is 31,995 people (ACS 2023).
The median household income in ZIP code 07840 is $107,956 (ACS 2023).
The median home value in ZIP 07840 is $373,000 (ACS 2023).
About ZIP Code 07840

ZIP code 07840 is located in Hackettstown, New Jersey, within Warren County. With a population of 31,995, this is a moderately populated ZIP code with a middle-aged community — the median age is 42.9 years. Economically, 07840 is a upper-middle-income ZIP code: the median household income of $107,956 is above the national average.

Real estate in ZIP code 07840 represents a mid-range housing market. The median home value of $373,000 is above the national average. Renters can expect to pay around $1,469 per month in median rent. Homeownership is strong here — 70.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 25% since 2019.

The population of 07840 is majority White (69.92%). Residents are well-educated — 58.7% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 5.5%. Household income has grown by 27% since 2019.

The unemployment rate in 07840 stands at 7.1%, which is above the national average. About 14% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 74%.

Overall, ZIP code 07840 in Hackettstown, NJ is characterized as upper-middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 31,995 residents, a median household income of $107,956, and a median home value of $373,000, it offers a clear picture of life in this part of New Jersey.