| | | Jerome County | ID | 16053 | | Twin Falls, ID 46300 | | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=JeromeCounty+ID |
| | | Twin Falls County | ID | 16083 | | Twin Falls, ID 46300 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=TwinFallsCounty+ID |
| | | Bonner County | ID | 16017 | | Sandpoint, ID 41760 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=BonnerCounty+ID |
| | | Fremont County | ID | 16043 | | Rexburg, ID 39940 | Idaho
Falls-Rexburg-Blackfoot,
ID 292 | Outlying | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=FremontCounty+ID |
| | | Madison County | ID | 16065 | | Rexburg, ID 39940 | Idaho
Falls-Rexburg-Blackfoot,
ID 292 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=MadisonCounty+ID |
| | | Bannock County | ID | 16005 | | Pocatello, ID 38540 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=BannockCounty+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 |
| | | Elmore County | ID | 16039 | | Mountain Home, ID 34300 | Boise City-Mountain
Home-Ontario, ID-OR 147 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ElmoreCounty+ID |
| | | Latah County | ID | 16057 | | Moscow, ID 34140 | Pullman-Moscow, WA-ID 446 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=LatahCounty+ID |
| | | Franklin County | ID | 16041 | | Logan, UT-ID 30860 | | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=FranklinCounty+ID |
