| | 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 |
| | 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 |
| | Malheur County | OR | 41045 | | Ontario, OR-ID 36620 | Boise City-Mountain
Home-Ontario, ID-OR 147 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=MalheurCounty+OR |
| | 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 |
| | Boise County | ID | 16015 | | Boise City, ID 14260 | Boise City-Mountain
Home-Ontario, ID-OR 147 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=BoiseCounty+ID |
| | Canyon County | ID | 16027 | | Boise City, ID 14260 | Boise City-Mountain
Home-Ontario, ID-OR 147 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=CanyonCounty+ID |
| | Gem County | ID | 16045 | | Boise City, ID 14260 | Boise City-Mountain
Home-Ontario, ID-OR 147 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=GemCounty+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 |