Weehawken is a township in the northern part of Hudson County, in the U.S. state of New Jersey. It is located on the Hudson Waterfront and Hudson Palisades overlooking the Hudson River. As of the 2020 United States census, the township's population was 17,197, an increase of 4,643 (+37.0%) from the 2010 census count of 12,554, which in turn reflected a decline of 947 (−7.0%) from the 13,501 counted in the 2000 census.