| | | Elk County | PA | 42047 | | St. Marys, PA 41260 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=ElkCounty+PA |
| | | Centre County | PA | 42027 | | State College, PA 44300 | State College-DuBois, PA 524 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=CentreCounty+PA |
| | | Northumberland County | PA | 42097 | | Sunbury, PA 44980 | Bloomsburg-Berwick-Sunbury,
PA 146 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=NorthumberlandCounty+PA |
| | | Warren County | PA | 42123 | | Warren, PA 47620 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WarrenCounty+PA |
| | | Lycoming County | PA | 42081 | | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LycomingCounty+PA |
| | | York County | PA | 42133 | | York-Hanover, PA 49620 | Harrisburg-York-Lebanon,
PA 276 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=YorkCounty+PA |
| | | Mercer County | PA | 42085 | | Youngstown-Warren-Boardman,
OH-PA 49660 | Youngstown-Warren, OH-PA 566 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=MercerCounty+PA |
