Monroeville is an unincorporated community located within portions of Elk Township in Gloucester County and Upper Pittsgrove Township in Salem County, New Jersey, United States. The area is served as United States Postal Service ZIP Code 08343.
Most of the residents attend Upper Pittsgrove School if they are on the Upper Pittsgrove Township portion, although some attend Olivet Elementary in Pittsgrove Township. The Area Code is 856. Monroeville is mostly filled with wooded areas and farms.
As of the 2010 United States Census, the population for ZIP Code Tabulation Area 08343 was 4,596.