Livingston is a township in Essex County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 31,330, its highest decennial count ever and an increase of 1,964 (+6.7%) from 29,366 recorded at the 2010 census, which in turn reflected an increase of 1,975 (+7.2%) from the 27,391 counted in the 2000 census. In 2022, the Population Estimates Program by the United States Census Bureau calculated that the township had a population of 31,000.

Essex County is located in the northeastern part of the U.S. state of New Jersey, and is one of the centrally located counties in the New York metropolitan area. As of the 2020 census, the county was the state's second-most populous county, with a population of 863,728, its highest decennial count since the 1970 census and an increase of 79,759 (+10.2%) from the 2010 census count of 783,969. The county is part of the North Jersey region of the state.