Livingston is a township in Essex County, New Jersey, United States. As of the 2010 United States Census, the township's population was 29,366, reflecting an increase of 1,975 from the 27,391 counted in the 2000 Census, which had in turn increased by 782 from the 26,609 counted in the 1990 Census.Livingston was incorporated as a township by an act of the New Jersey Legislature on February 5, 1813, from portions of Caldwell Township and Springfield Township. Portions of the township were taken to form Fairmount and Roseland.The township was named for William Livingston, the first Governor of New Jersey; his family's coat of arms serves as the township's seal.