West Haven, a borough of Orange township, New Haven county, Connecticut, U.S.A., on New Haven Harbor and separated from New Haven by the West river. Pop. (1900) 5247 (893 foreign-born); (1910) 8543. West Haven is served by the New York, New Haven, & Hartford railway. It is mainly a residential suburb of New Haven. There is a public park, and Savin Rock, rising from Long Island Sound, is a summer resort. West Haven was set apart from New Haven in 1822 and was united with North Milford to form the township of Orange; it was incorporated as a borough in 1873.