Bridgewater Township is a township in Somerset County, New Jersey, United States. As of the United States 2010 Census, the township population was 44,464.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)."The Story of New Jersey's Civil Boundaries: 1606-1968", John P. Snyder, Bureau of Geology and Topography; Trenton, New Jersey; 1969. p. 222.

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