Monroeville is a city with home rule status in Allegheny County, Pennsylvania, United States. Located about 15mi east of downtown Pittsburgh, Monroeville is a suburb with mixed residential and commercial developments. As of the 2010 census, Monroeville was home to 28,386 people.HistoryNamed for Joel Monroe, the area's first postmaster, Monroeville was settled in the mid to late 18th century. The area was incorporated as Patton Township in 1849 before becoming the borough of Monroeville on January 25, 1951. Monroeville became a Home Rule Charter Municipality on May 21, 1974.GeographyA suburb of Pittsburgh, Monroeville is located at.According to the United States Census Bureau, the city has a total area of, of which 0.05% is water.Neighboring communitiesAllegheny County Pitcairn (surrounded by Monroeville) North Versailles Township (southwest) Wilmerding (southwest) Turtle Creek (west) Wilkins Township (west) Penn Hills Township (northwest) Plum (north) Westmoreland County Murrysville (east) Penn Township (southeast) Trafford (south)