Hackettstown

Also known as Hackettstown, New Jersey, Hackettstown, NJ

town in Warren County, New Jersey, United States

Key facts

Country: United States
State: New Jersey
County: Warren
Incorporated: March 9, 1853
Named after: Samuel Hackett
Type: Special charter
Body: Town Council
Mayor: Jerry DiMaio ( R )
Administrator municipal clerk: P.J. Reilly
Total: 3.71 sq mi (9.61 km )
Land: 3.61 sq mi (9.35 km )
Water: 0.10 sq mi (0.26 km ) 2.67%
Rank: 307th of 565 in state, 18th of 22 in county

Article

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.