Wilmerding, Pennsylvania

Wilmerding, Pennsylvania
Location in Allegheny County and the U.S. state of Pennsylvania.
Location of Pennsylvania in the United States
Coordinates: 40°23′40″N 79°48′31″W / 40.39444°N 79.80861°W / 40.39444; -79.80861
CountryUnited States
StatePennsylvania
CountyAllegheny
Area
  Total
0.43 sq mi (1.11 km2)
  Land0.43 sq mi (1.11 km2)
  Water0.00 sq mi (0.00 km2)
Population
 (2020)
  Total
1,781
  Estimate 
(2019)
2,111
  Density4,920.75/sq mi (1,900.96/km2)
DemonymWilmerdinger
Time zoneUTC-5 (EST)
  Summer (DST)UTC-4 (EDT)
ZIP code
15148
Area code412
FIPS code42-85496
Websitewww.wilmerdingboro.com

Wilmerding is a borough in Allegheny County, Pennsylvania, United States. The population was 1,781 at the 2020 census. It is located 12 miles (19 km) southeast of Pittsburgh. At the start of the twentieth century, it had extensive foundries and machine shops of the Westinghouse Air Brake Company. Wilmerding is adjacent to the borough of Turtle Creek, which takes its name from a small stream that flows past both places.