New Jersey's 10th congressional district is an urban congressional district in the U.S. state of New Jersey. The district consists of portions of Essex, Hudson and Union counties, and includes the cities of Newark and Orange. The district is majority African American and was represented in Congress by Democrat Donald Payne Jr. from November 2012 until his death in 2024.

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.