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Hackettstown

A town of 10,140 people in New Jersey
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About Hackettstown

Town in Warren County, New Jersey, US
10,248Population
3.7 sq miArea
259 ftElevation

Hackettstown is a town in Warren County, in the U.S. state of New Jersey. It is perhaps best known as the home to the US headquarters of Mars, Inc. As of the 2020 United States census, the town's population was 10,248, an increase of 524 (+5.4%) from the 2010 census count of 9,724, which in turn reflected a decline of 679 (−6.5%) from the 10,403 counted in the 2000 census. Hackettstown was incorporated as a town by an act of the New Jersey Legislature on March 9, 1853, from portions of Independence Township. Portions of territory were exchanged with Mansfield Township in 1857, 1860, 1872 and 1875.

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From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code07840
Area code908
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Hackettstown

New Jersey · NJ
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01