All Pennsylvania Counties

Pittsburgh & Southwestern Pennsylvania

Washington County, Pennsylvania

County seat: Washington

Washington County lies south of Pittsburgh, a center for natural gas, manufacturing and healthcare. It is home to Meadowcroft Rockshelter, one of the oldest known human habitation sites in North America.

Cities, Towns & Communities

2 full community guides available in this county.

Attractions

  • Meadowcroft Rockshelter
  • Pennsylvania Trolley Museum
  • Washington & Jefferson College

Parks & Recreation

  • Cross Creek County Park
  • Mingo Creek County Park
  • Ryerson Station State Park

Transportation

I-79, I-70 and Route 19 serve the county.

Frequently Asked Questions

What is the county seat of Washington County?

Washington is the seat of Washington County.

What is Meadowcroft Rockshelter?

Meadowcroft Rockshelter near Avella preserves evidence of human habitation dating back roughly 16,000 years.

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