Donora is a borough in Washington County, Pennsylvania, United States, approximately 20 miles (32 km) south of Pittsburgh along the Monongahela River. The population was 4,558 as of the 2020 census.
Concrete houses in the Cement City neighborhood
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