what county is glassboro nj
Glassboro, New Jersey. Glassboro is a borough in Gloucester County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 18,579, reflecting a decline of 489 (â2.6%) from the 19,068 counted in the 2000 Census, which had in turn increased by 3,454 (+22.1%) over the 15,614 counted in the 1990 Census.