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is a town in Warren County, New Jersey, United States. As of the United States 2000 Census, the town population was 10,403. The town is located in the eastern most region of the Lehigh Valley.
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.
Hackettstown houses the headquarters of Transistor Devices Incorporated and Mars Chocolate USA, the American division of Mars, Incorporated, makers of Milky Way, Mars, M&M's, Twix and Snickers candy bars, as well as pet foods (such as the well-known
It is believed that Hackettstown was named after Samuel Hackett, a prominent landowner who is said to have "contributed liberally to the liquid refreshments on the christening of a new hotel, in order to secure the name which, before this, had been Helms' Mills or Musconetcong".
Hackettstown was named #72 of the top 100 towns in the United States to Live and Work In by
According to the United States Census Bureau, the town has a total area of 3.7 square miles (9.6 km
), all of it land. It is located in a valley along the banks of the Musconetcong River.
Upper Pohatcong Mountain extends northeast of Washington approximately 6 mi (10 km) to the vicinity of Paris.