Hamilton Township is a
township in
Mercer County,
New Jersey, United States. The township is within the
New York metropolitan area as defined by the
United States Census Bureau, but directly borders the
Philadelphia metropolitan area and is part of the
Federal Communications Commission's Philadelphia Designated Market Area. As of the
2010 United States Census, the township had a total population of 88,464, reflecting an increase of 1,355 (+1.6%) from the 87,109 counted in the
2000 Census, which had in turn increased by 556 (+0.6%) from the 86,553 counted in the
1990 Census. The township was
the state's 9th-largest municipality, after having been ranked 10th in 2000. The township is located immediately east of the city of
Trenton, the state's capital.