Woodstown is a borough in Salem County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 3,678, an increase of 173 from the 2010 census count of 3,505, which in turn reflected an increase of 369 from the 3,136 counted in the 2000 census. Woodstown was established on July 26, 1882, from portions of Pilesgrove Township based on the results of a referendum held that same day. The borough's incorporation was confirmed on March 3, 1925.