| | | Linn County | OR | 41043 | | Albany, OR 10540 | Portland-Vancouver-Salem,
OR-WA 440 | Central | in metro of < 250k | manufacturing-dependent | https://maps.google.com/?q=LinnCounty+OR |
| | | Marion County | OR | 41047 | | Salem, OR 41420 | Portland-Vancouver-Salem,
OR-WA 440 | Central | in metro of > 250k
< 1m | 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 | in metro of > 1m | nonspecialized | https://maps.google.com/?q=MultnomahCounty+OR |
| | | Polk County | OR | 41053 | | Salem, OR 41420 | Portland-Vancouver-Salem,
OR-WA 440 | Central | in metro of > 250k
< 1m | nonspecialized | https://maps.google.com/?q=PolkCounty+OR |
| | | Washington County | OR | 41067 | | Portland-Vancouver-Hillsboro,
OR-WA 38900 | Portland-Vancouver-Salem,
OR-WA 440 | Central | in metro of > 1m | manufacturing-dependent | https://maps.google.com/?q=WashingtonCounty+OR |
| | | Yamhill County | OR | 41071 | | Portland-Vancouver-Hillsboro,
OR-WA 38900 | Portland-Vancouver-Salem,
OR-WA 440 | Outlying | in metro of > 1m | nonspecialized | https://maps.google.com/?q=YamhillCounty+OR |
