Sicklerville is an unincorporated community and census-designated place (CDP)[6] located within Winslow Township in Camden County, in the U.S. state of New Jersey.

[7] It was founded in 1851 by John Sickler, who lived in the area when the present-day town was located within Gloucester Township.

The area is served as United States Postal Service ZIP Code 08081.

Paul H. Sickler (his descendants still live in Winslow Township) was appointed the first Postmaster.

At the 2010 census, there were 50,589 people, 17,007 households, and 13,209 families living in the town.

The racial make-up of the town is 45.3% White, 44.9% African American, 0.3% Native American, 4.1% Asian, 0.0% Pacific Islander, 2.3% from other races, and 3.1% from two or more races.

At the 2000 census, there were 42,891 people, 14,066 households, and 11,342 families living in the town.

The racial make-up of the town is 68.2% White, 26.3% African American, 0.3% Native American, 2.1% Asian, 0.0% Pacific Islander, 1.1% from other races, and 1.9% from two or more races.