| | | 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 |
| | | Lane County | OR | 41039 | | Eugene-Springfield, OR 21660 | | Central | in metro of > 250k
< 1m | nonspecialized | https://maps.google.com/?q=LaneCounty+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 |
| | | 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 |
| | | Morrow County | OR | 41049 | | Hermiston-Pendleton, OR 25840 | | Outlying | not in metro; pop <
5k; metro-adjacent | farm-dependent | https://maps.google.com/?q=MorrowCounty+OR |
| | | Gilliam County | OR | 41021 | | | | | not in metro; pop <
5k; non-metro-adjacent | nonspecialized | https://maps.google.com/?q=GilliamCounty+OR |
| | | Grant County | OR | 41023 | | | | | not in metro; pop <
5k; non-metro-adjacent | federal/state
government-dependent | https://maps.google.com/?q=GrantCounty+OR |
| | | Harney County | OR | 41025 | | | | | not in metro; pop <
5k; non-metro-adjacent | federal/state
government-dependent | https://maps.google.com/?q=HarneyCounty+OR |
| | | Lake County | OR | 41037 | | | | | not in metro; pop <
5k; non-metro-adjacent | federal/state
government-dependent | https://maps.google.com/?q=LakeCounty+OR |
