About Green Brook Township, New Jersey

Green Brook Township is a township in Somerset County, in the U.S. state of New Jersey. It is centrally located within the Raritan Valley region. As of the 2020 United States census, the township's population was 7,281, an increase of 78 (+1.1%) from the 2010 census count of 7,203, which in turn reflected an increase of 1,549 (+27.4%) from the 5,654 counted in the 2000 census. What is now Green Brook was originally created as North Plainfield Township on April 2, 1872, from portions of Warren Township. Portions of the township were taken to form North Plainfield borough (June 9, 1885) and Watchung (March 23, 1926). Green Brook was incorporated as a township by an act of the New Jersey Legislature on November 8, 1932, replacing North Plainfield Township, based on the results of a referendum held that same day. Green Brook describes itself as "Small Enough to Know You, Large Enough to Get Things Done". Most of Green Brook shares ZIP Code 08812 with Dunellen. Read More