Northvale is a borough in Bergen County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 4,640, reflecting an increase of 180 (+4.0%) from the 4,460 counted in the 2000 Census, which had in turn declined by 103 (-2.3%) from the 4,563 counted in the 1990 Census.
Northvale was formed on March 15, 1916, from the remaining portions of Harrington Township, based on the results of a referendum held on April 4, 1916. With the creation of Northvale, Harrington Township was dissolved. In 1923, portions of Northvale were transferred to Rockleigh.