| | | Adams County | IL | 17001 | | Quincy, IL-MO 39500 | Quincy-Hannibal, IL-MO 448 | Central | Non-metro >20k
non-metro adjacent | nonspecialized | https://maps.google.com/?q=AdamsCounty+IL |
| | | Alexander County | IL | 17003 | | Cape Girardeau, MO-IL 16020 | Cape Girardeau-Sikeston,
MO-IL 164 | Outlying | Metro < 250k | federal/state
government-dependent | https://maps.google.com/?q=AlexanderCounty+IL |
| | | Bond County | IL | 17005 | | St. Louis, MO-IL 41180 | St. Louis-St.
Charles-Farmington, MO-IL 476 | Outlying | Metro > 1m | federal/state
government-dependent | https://maps.google.com/?q=BondCounty+IL |
| | | Boone County | IL | 17007 | | Rockford, IL 40420 | Rockford-Freeport-Rochelle,
IL 466 | Central | Metro > 250k < 1m | manufacturing-dependent | https://maps.google.com/?q=BooneCounty+IL |
| | | Brown County | IL | 17009 | | | | | Non-metro < 5k
non-metro-adjacent | nonspecialized | https://maps.google.com/?q=BrownCounty+IL |
| | | Bureau County | IL | 17011 | | Ottawa, IL 36837 | Chicago-Naperville,
IL-IN-WI 176 | Central | Non-metro > 5K <
20k non-metro-adjacent | nonspecialized | https://maps.google.com/?q=BureauCounty+Illinois |
| | | Calhoun County | IL | 17013 | | St. Louis, MO-IL 41180 | St. Louis-St.
Charles-Farmington, MO-IL 476 | Outlying | Metro > 1m | farm-dependent | https://maps.google.com/?q=CalhounCounty+IL |
| | | Carroll County | IL | 17015 | | | | | Non-metro < 5k
non-metro-adjacent | nonspecialized | https://maps.google.com/?q=CarrollCounty+IL |
| | | Cass County | IL | 17017 | | | | | Non-metro > 5k <
20k metro-adjacent | manufacturing-dependent | https://maps.google.com/?q=CassCounty+IL |
| | | Champaign County | IL | 17019 | | Champaign-Urbana, IL 16580 | Champaign-Urbana-Denville,
IL 169 | Central | Metro < 250k | federal/state
government-dependent | https://maps.google.com/?q=ChampaignCounty+IL |
