McDonald is a borough in Allegheny and Washington counties in the U.S. state of Pennsylvania, 18 miles (29 km) southwest of Pittsburgh. The population was 2,056 at the 2020 census. Of this, 1,661 were in Washington County, and 395 were in Allegheny County.
Looking west from W. Lincoln and 3rd.
Washington County, Pennsylvania
Washington County is a county in the Commonwealth of Pennsylvania, United States. As of the 2020 census, the population was 209,349. Its county seat is Washington. The county is part of the Greater Pittsburgh region of the state.
Washington County Courthouse
Washington County Courthouse
The F. Julius LeMoyne House serves as the headquarters of the Washington County Historical Society.
Citizens Library in Washington, PA