West Mifflin, PA is a borough in southwestern Pennsylvania, southeast of Pittsburgh. Located in Allegheny County, West Mifflin holds Kennywood Park. Serviced by West Mifflin Area School District and located close to Route 51, West Mifflin provides a wonderful living situation ideal for your needs. West Mifflin has Primanti Bros and Chili’s Grill & Bar for a good meal and Century III Mall is close by for shopping. Need some time outdoors? West Mifflin Park is in town and offers playgrounds and walking trails to get some fresh air. Established in 1942, West Mifflin has much to offer.