| | | Calhoun County | IL | 17013 | | St. Louis, MO-IL 41180 | St. Louis-St.
Charles-Farmington, MO-IL 476 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=CalhounCounty+IL |
| | | Greene County | IL | 17061 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=GreeneCounty+IL |
| | | Hamilton County | IL | 17065 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=HamiltonCounty+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 |
| | | Iroquois County | IL | 17075 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=IroquoisCounty+IL |
| | | Jasper County | IL | 17079 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=JasperCounty+IL |
| | | Menard County | IL | 17129 | | Springfield, IL 44100 | Springfield-Jacksonville-Lincoln,
IL 522 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=MenardCounty+IL |
| | | Piatt County | IL | 17147 | | Champaign-Urbana, IL 16580 | Champaign-Urbana-Denville,
IL 169 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=PiattCounty+IL |
| | | Scott County | IL | 17171 | | Jacksonville, IL 27300 | Springfield-Jacksonville-Lincoln,
IL 522 | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ScottCounty+IL |
| | | Shelby County | IL | 17173 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ShelbyCounty+IL |
