Sicklerville is an unincorporated community and census-designated place (CDP) situated within Winslow Township in Camden County, New Jersey. As of the 2020 census, the area had a population of 45,084 residents.
The community was founded in 1851 by John Sickler, who resided in the area when it was located within what is now Gloucester Township. The region is served by the United States Postal Service ZIP Code 08081.