| | Douglas County | IL | 17041 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=DouglasCounty+IL |
| | Edgar County | IL | 17045 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=EdgarCounty+IL |
| | Edwards County | IL | 17047 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=EdwardsCounty+IL |
| | Macon County | IL | 17115 | | Decatur, IL 19500 | | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=MaconCounty+IL |
| | Marshall County | IL | 17123 | | Peoria, IL 37900 | Peoria-Canton, IL 427 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=MarshallCounty+IL |
| | Moultrie County | IL | 17139 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=MoultrieCounty+IL |
| | Putnam County | IL | 17155 | | Ottawa, IL 36837 | Chicago-Naperville,
IL-IN-WI 176 | Outlying | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=PutnamCounty+Illinois |
| | Randolph County | IL | 17157 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=RandolphCounty+IL |
| | Stephenson County | IL | 17177 | | Freeport, IL 23300 | Rockford-Freeport-Rochelle,
IL 466 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=StephensonCounty+IL |
| | Tazewell County | IL | 17179 | | Peoria, IL 37900 | Peoria-Canton, IL 427 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=TazewellCounty+IL |