| | Shelby County | IL | 17173 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ShelbyCounty+IL |
| | Union County | IL | 17181 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=UnionCounty+IL |
| | Wabash County | IL | 17185 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=WabashCounty+IL |
| | Warren County | IL | 17187 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=WarrenCounty+IL |
| | Washington County | IL | 17189 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WashingtonCounty+IL |
| | Wayne County | IL | 17191 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WayneCounty+IL |
| | White County | IL | 17193 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=WhiteCounty+IL |
| | Livingston County | IL | 17105 | | Pontiac, IL 38700 | Bloomington-Pontiac, IL 145 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LivingstonCounty+IL |
| | McLean County | IL | 17113 | | Bloomington, IL 14010 | Bloomington-Pontiac, IL 145 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=McLeanCounty+IL |
| | Henderson County | IL | 17071 | | Burlington, IA-IL 15460 | Burlington-Fort Madison,
IA-IL 161 | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=HendersonCounty+IL |