| | Bear Lake County | ID | 16007 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=BearLakeCounty+ID |
| | Blaine County | ID | 16013 | | Hailey, ID 25200 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=BlaineCounty+ID |
| | Bonner County | ID | 16017 | | Sandpoint, ID 41760 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=BonnerCounty+ID |
| | Kootenai County | ID | 16055 | | Coeur d'Alene, ID 17660 | Spokane-Spokane
Valley-Coeur
d'Alene, WA-ID 518 | Central | metro county (urban) | recreation | https://maps.google.com/?q=KootenaiCounty+ID |
| | Teton County | ID | 16081 | | Jackson, WY-ID 27220 | | Outlying | nonmetro county (rural) | recreation | https://maps.google.com/?q=TetonCounty+ID |
| | Valley County | ID | 16085 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=ValleyCounty+ID |
| | Ada County | ID | 16001 | | Boise City, ID 14260 | Boise City-Mountain
Home-Ontario, ID-OR 147 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=AdaCounty+ID |
| | Benewah County | ID | 16009 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BenewahCounty+ID |
| | Bingham County | ID | 16011 | | Blackfoot, ID 13940 | Idaho
Falls-Rexburg-Blackfoot,
ID 292 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BinghamCounty+ID |
| | Bonneville County | ID | 16019 | | Idaho Falls, ID 26820 | Idaho
Falls-Rexburg-Blackfoot,
ID 292 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=BonnevilleCounty+ID |