| | | Linn County | OR | 41043 | | Albany, OR 10540 | Portland-Vancouver-Salem,
OR-WA 440 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=LinnCounty+OR |
| | | Washington County | OR | 41067 | | Portland-Vancouver-Hillsboro,
OR-WA 38900 | Portland-Vancouver-Salem,
OR-WA 440 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=WashingtonCounty+OR |
| | | Clackamas County | OR | 41005 | | Portland-Vancouver-Hillsboro,
OR-WA 38900 | Portland-Vancouver-Salem,
OR-WA 440 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ClackamasCounty+OR |
| | | Columbia County | OR | 41009 | | Portland-Vancouver-Hillsboro,
OR-WA 38900 | Portland-Vancouver-Salem,
OR-WA 440 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=ColumbiaCounty+OR |
| | | Coos County | OR | 41011 | | Coos Bay, OR 18300 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CoosCounty+OR |
| | | Crook County | OR | 41013 | | Prineville, OR 39260 | Bend-Redmond-Prineville,
OR 140 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CrookCounty+OR |
| | | Douglas County | OR | 41019 | | Roseburg, OR 40700 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=DouglasCounty+OR |
| | | Gilliam County | OR | 41021 | | | | Non-metropolitan | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=GilliamCounty+OR |
| | | Jackson County | OR | 41029 | | Medford, OR 32780 | Medford-Grants Pass, OR 366 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=JacksonCounty+OR |
| | | Jefferson County | OR | 41031 | | | | Non-metropolitan | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=JeffersonCounty+OR |
