Mount Olive is a town in Duplin and Wayne counties in the U.S. state of North Carolina. The population was 4,589 at the 2010 census. It is included in the Goldsboro, North Carolina Metropolitan Statistical Area. The town is home to the Mt. Olive Pickle Company and the University of Mount Olive.HistoryThe Mount Olive High School (Former), Mount Olive Historic District, L. D. Giddens and Son Jewelry Store, Perry-Cherry House, Southerland-Burnette House, former United States Post Office, and Vernon are listed on the National Register of Historic Places.GeographyMount Olive is located in southern Wayne County at . A small portion of the town extends south into Duplin County.U.S. Route 117, a four-lane highway, runs along the western edge of Mount Olive, leading north to Goldsboro and south to Warsaw. North Carolina Highway 55, which crosses US 117 at the north end of town, leads east to Kinston and west to Newton Grove.