| | Lincoln County | OR | 41041 | | Newport, OR 35440 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=LincolnCounty+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 |
| | Union County | OR | 41061 | | La Grande, OR 29260 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=UnionCounty+OR |
| | Klamath County | OR | 41035 | | Klamath Falls, OR 28900 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=KlamathCounty+OR |
| | Hood River County | OR | 41027 | | Hood River, OR 26220 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=HoodRiverCounty+OR |
| | Morrow County | OR | 41049 | | Hermiston-Pendleton, OR 25840 | | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=MorrowCounty+OR |
| | Umatilla County | OR | 41059 | | Hermiston-Pendleton, OR 25840 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=UmatillaCounty+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-Springfield, OR 21660 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LaneCounty+OR |
| | 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 |