Crime Scene & Biohazard Cleanup Near Vasa Park Hackettstown, NJ

Hackettstown is a town in Warren County, New Jersey, located in a valley along the banks of the Musconetcong River.

Hackettstown was incorporated as a town by an act of the New Jersey Legislature on March 9, 1853, from portions of Independence Township.

The town is named after Samuel Hackett, an early settler and large landowner who, legend holds, contributed liberally to the liquid refreshments at the christening of a new hotel to secure the honor.

Before taking Hackett's name, the settlement had been known as Helms' Mills and as Musconetcong.

The 2020 census counted 10,248 residents in Hackettstown, with about 3,841 households recorded in recent Census Bureau survey data.

Hackettstown is the second most populous of Warren County's 22 municipalities.

The town is best known as the home of the United States headquarters of Mars, Inc.; the Mars chocolate plant on High Street was built in 1958.

Centenary University, Warren County's only four-year postsecondary institution, was founded in Hackettstown in 1867 as Centenary Collegiate Institute by the Methodist Church, its name commemorating the centennial of Methodism in the United States.

Centenary's Old Main, now the Edward W. Seay Administration Building, was listed on the National Register of Historic Places in 1997.

The Centenary campus spans roughly 42 acres in town, with a separate equestrian center of about 65 acres.