washington county pa costco

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. The county is home to Washington County Airport, three miles southwest of Washington.
  • Country: United States
  • State: Pennsylvania
  • Founded: March 28, 1781
  • Named for: George Washington
  • Seat: Washington
  • Largest city: Peters Township
  • Congressional district: 14th

Nearby

Data from: en.wikipedia.org