Hackensack, city (1990 pop. 37,049), seat of Bergen co., NE N.J., on the Hackensack River, a residential and industrial suburb of New York City; settled 1647, inc. as a city 1921. Manufactures include furniture, clothing, machinery, and processed foods. Dutch settlers from Manhattan established a trading post there in 1647. During the Revolution the city served as camping grounds for armies of both sides. It grew as a commercial and shipping center in the early 1800s. Although informally called Hackensack (after the Ackenack tribe), it was officially New Barbados until 1921. Of interest are the Church on the Green (First Dutch Reformed; built 1696, rebuilt 1728) and the von Steuben House (1739), a state historic site and the headquarters of the county historical society. A campus of Farleigh-Dickinson Univ. is in the city.