Home › United States › New Jersey › 7840
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7840
Hackettstown, New Jersey
Warren · 🇺🇸 United States
ZIP Code
Population
32,105
Density/mi²
332
Complete ZIP Code Details
ZIP Code7840
CityHackettstown
StateNew Jersey (NJ)
CountyWarren
TimezoneAmerica/New_York
Coordinates40.8603400, -74.8319200
Population32,105
ZIP TypeSTANDARD
CountryUnited States

About 7840 - Hackettstown, New Jersey

The ZIP code 7840 of Hackettstown falls within New Jersey, the United States - a mid-sized area by population. It sits within Warren County.

Census data puts the population of this ZIP code at 32,105 residents. That's noticeably above the average for a New Jersey ZIP code, which sits near 15,703 people.

Population density runs around 332 people per sq. mile, making it a rural area.

Nearby communities in New Jersey include Lakewood, Jersey City, Bayonne.

7840 vs. New Jersey Average
Population Share vs. Nearby ZIP Codes
Frequently Asked Questions
What is the ZIP code for Hackettstown?

The ZIP code for Hackettstown, New Jersey is 7840.

What county is 7840 located in?

7840 is located in Warren County, New Jersey.

What is the population of 7840?

The population of 7840 (Hackettstown) is approximately 32,105 people.

Is 7840 bigger or smaller than a typical New Jersey ZIP code?

7840 is more populated than the typical New Jersey ZIP code, which averages around 15,703 people.

What are the ZIP code codes near 7840?

ZIP code codes near 7840 include 8701, 7305, 7002.