Monroeville is a home rule community in Allegheny County, Pennsylvania, United States. The population was 29,349 at the 2000 census. It was initially settled in about 1765. 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. Municipality of Monroeville apartments for rent comparison page shows most up to date rent information on Municipality of Monroeville apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.