| | | Champaign County | IL | 17019 | | Champaign-Urbana, IL 16580 | Champaign-Urbana-Denville,
IL 169 | Central | in metro of < 250k | federal/state
government-dependent | https://maps.google.com/?q=ChampaignCounty+IL |
| | | Douglas County | IL | 17041 | | | | | not in metro; pop <
5k; metro-adjacent | manufacturing-dependent | https://maps.google.com/?q=DouglasCounty+IL |
| | | Ford County | IL | 17053 | | Champaign-Urbana, IL 16580 | Champaign-Urbana-Denville,
IL 169 | Outlying | in metro of < 250k | nonspecialized | https://maps.google.com/?q=FordCounty+IL |
| | | Iroquois County | IL | 17075 | | | | | not in metro; pop <
5k; metro-adjacent | farm-dependent | https://maps.google.com/?q=IroquoisCounty+IL |
| | | Piatt County | IL | 17147 | | Champaign-Urbana, IL 16580 | Champaign-Urbana-Denville,
IL 169 | Outlying | in metro of < 250k | farm-dependent | https://maps.google.com/?q=PiattCounty+IL |
| | | Vermilion County | IL | 17183 | | Danville, IL 19180 | Champaign-Urbana-Denville,
IL 169 | Central | not in metro; pop
>20k; metro-adjacent | nonspecialized | https://maps.google.com/?q=VermilionCounty+IL |
