Audubon is a borough in Camden County, in the southern portion of the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 8,707, a decrease of 112 from the 2010 census count of 8,819, which in turn had reflected a decline of 363 from the 9,182 counted at the 2000 census. Located right outside of Philadelphia and the city of Camden, Audubon constitutes part of the Philadelphia metropolitan area.