Bridgewater Township is a township in Somerset County, New Jersey, United States. As of the 2010 United States Census, the township’s population was 44,464, reflecting an increase of 1,524 (+3.5%) from the 42,940 counted in the 2000 Census, which had in turn increased by 10,431 (+32.1%) from the 32,509 counted in the 1990 Census. Bridgewater Township was originally created by Royal charter on April 4, 1749, from portions of the Northern precinct and was incorporated as one of New Jersey’s initial group of 104 townships by an Act of the New Jersey Legislature on February 21, 1798. During the nineteenth century, portions of the township were taken to form Warren Township (March 5, 1806), Branchburg Township (April 5, 1845), Somerville (March 25, 1863), Raritan (April 3, 1868) and Bound Brook (March 24, 1869). Bradley Gardens (with a 2010 Census population of 14,206), Finderne (5,600), Green Knoll (6,200) and Martinsville (11,980) are census-designated places and unincorporated communities located within Bridgewater Township. Other unincorporated communities, localities and place names within the township include Chimney Rock, Middle Brook Heights, Milltown and Sunset Lake.