| | | Washington County | ID | 16087 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WashingtonCounty+ID |
| | | Valley County | ID | 16085 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=ValleyCounty+ID |
| | | Twin Falls County | ID | 16083 | | Twin Falls, ID 46300 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=TwinFallsCounty+ID |
| | | Teton County | ID | 16081 | | Jackson, WY-ID 27220 | | Outlying | nonmetro county (rural) | recreation | https://maps.google.com/?q=TetonCounty+ID |
| | | Shoshone County | ID | 16079 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=ShoshoneCounty+ID |
| | | Power County | ID | 16077 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=PowerCounty+ID |
| | | Payette County | ID | 16075 | | Ontario, OR-ID 36620 | Boise City-Mountain
Home-Ontario, ID-OR 147 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=PayetteCounty+ID |
| | | Owyhee County | ID | 16073 | | Boise City, ID 14260 | Boise City-Mountain
Home-Ontario, ID-OR 147 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=OwyheeCounty+ID |
| | | Oneida County | ID | 16071 | | Brigham City, UT-ID 14940 | Salt Lake
City-Provo-Orem, UT-ID 482 | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=OneidaCounty+ID |
| | | Nez Perce County | ID | 16069 | | Lewiston, ID-WA 30300 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=NezPerceCounty+ID |
