Biohazard Cleanup Near Downtown Demarest Demarest, NJ

Demarest is a borough in Bergen County, New Jersey, one of the fifteen towns of the Northern Valley area, located in the northeastern corner of the state within the New York City metropolitan area.

Demarest was formed by an act of the New Jersey Legislature on April 8, 1903, from portions of Harrington Township and Palisades Township.

The borough was named for the Demarest family and for the Demarest train station, which in turn was named for Ralph S. Demarest, a director of the Northern Railroad of New Jersey who represented the area in both the New Jersey General Assembly and the New Jersey Senate.

The Demarest family were French Huguenot settlers who arrived in the area in the 1670s and built gristmills along the banks of the Tenakill Brook.

The 2020 census counted 4,981 residents in Demarest, living in 1,598 households.

At the heart of Demarest is an area known as the Duck Pond, which is a section of the Tenakill Brook.

The Demarest Nature Center protects a 55-acre forested wetland preserve with more than three miles of trails along the trout-stocked Tenakill Brook; local residents first proposed setting the land aside in 1973.

Students in ninth through twelfth grades from Demarest, Closter and Haworth attend Northern Valley Regional High School at Demarest, which was awarded the Blue Ribbon School Award of Excellence by the U.S. Department of Education during the 1994-1996 school years.

The Academy of the Holy Angels, a private middle school and college preparatory high school serving students in sixth through twelfth grade under the Roman Catholic Archdiocese of Newark, is located in Demarest.

Korean Americans accounted for 19.6 percent of Demarest's population in the 2020 census.