Woodlynne is a borough in Camden County, within the U.S. state of New Jersey, and a suburb located 4 miles southeast of Philadelphia. As of the 2020 United States census, the borough's population was 2,902, a decrease of 76 from the 2,978 recorded at the 2010 census, which in turn reflected an increase of 182 from the 2,796 counted in the 2000 census. The borough is the state's eighth-smallest municipality.