Green Brook Township is a
township in
Somerset County,
New Jersey, United States. As of the
2010 United States Census, the township's population was 7,203, reflecting an increase of 1,549 (+27.4%) from the 5,654 counted in the
2000 Census, which had in turn increased by 1,194 (+26.8%) from the 4,460 counted in the
1990 Census.