| | | Benton County | OR | 41003 | | Corvallis, OR 18700 | Portland-Vancouver-Salem,
OR-WA 440 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=BentonCounty+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 |
| | | Deschutes County | OR | 41017 | | Bend-Redmond, OR 13460 | Bend-Redmond-Prineville,
OR 140 | Central | metro county (urban) | recreation | https://maps.google.com/?q=DeschutesCounty+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 |
| | | Josephine County | OR | 41033 | | Grants Pass, OR 24420 | Medford-Grants Pass, OR 366 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=JosephineCounty+OR |
| | | Lane County | OR | 41039 | | Eugene, OR 21660 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LaneCounty+OR |
| | | 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 |
| | | Marion County | OR | 41047 | | Salem, OR 41420 | Portland-Vancouver-Salem,
OR-WA 440 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=MarionCounty+OR |
| | | Multnomah County | OR | 41051 | | Portland-Vancouver-Hillsboro,
OR-WA 38900 | Portland-Vancouver-Salem,
OR-WA 440 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=MultnomahCounty+OR |
