Washington County | |
---|---|
Coordinates: 40°11′N 80°15′W / 40.19°N 80.25°W | |
Country | United States |
State | Pennsylvania |
Founded | March 28, 1781 |
Named for | George Washington |
Seat | Washington |
Largest city | Peters Township |
Government | |
• Chairman of the Board of Commissioners | Nick Sherman |
Area | |
• Total | 861 sq mi (2,230 km2) |
• Land | 857 sq mi (2,220 km2) |
• Water | 3.9 sq mi (10 km2) 0.5% |
Population (2020) | |
• Total | 209,349 |
• Density | 240/sq mi (90/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional district | 14th |
Website | washingtoncopa |
Washington County is a county in the Commonwealth of Pennsylvania, United States. As of the 2020 census, the population was 209,349.[1] Its county seat is Washington.[2] The county is part of the Greater Pittsburgh region of the state.[a] The county is home to Washington County Airport, three miles (4.8 km) southwest of Washington.
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