Monroeville is a municipality with home rule status in Allegheny County, Pennsylvania, United States. Located about 10 miles east of Pittsburgh, Monroeville is a suburb with mixed residential and commercial developments. As of the 2020 census, Monroeville was home to 28,640 people.
Pitcairn /ˈpɪtkɛərn/ is a borough in Allegheny County, Pennsylvania, 12 miles (19 km) east of Pittsburgh's central business district, named for Robert Pitcairn, an official of the Pennsylvania Railroad.
Early in the 20th century, Pitcairn was the site of large railroad yards and shops that employed nearly ten thousand men. The population increased from 2,601 in 1900 to 6,310 in 1940, but has since declined. The population was 3,101 at the 2020 census.