Government Directory
| Name | Grade | State | Type | County | Primary Domain |
|---|---|---|---|---|---|
| City Of Byron | D | IL | Municipal | Ogle | cityofbyron.com |
| City Of Cahokia Heights | D | IL | Municipal | St Clair | cahokiaheightsil.us |
| City Of Cairo | — | IL | Municipal | Alexander | — |
| City Of Calumet City | C | IL | Municipal | Cook | calumetcity.org |
| City Of Canton | C- | IL | Municipal | Fulton | cantonillinois.org |
| City Of Carbondale | C- | IL | Municipal | Jackson | explorecarbondale.com |
| City Of Carlinville | F | IL | Municipal | Macoupin | cityofcarliinville.com |
| City Of Carlyle | — | IL | Municipal | Clinton | — |
| City Of Carmi | C+ | IL | Municipal | White | cityofcarmi.com |
| City Of Carrollton | — | IL | Municipal | Greene | — |
| City Of Carterville | C- | IL | Municipal | Williamson | visitcarterville.com |
| City Of Carthage | C- | IL | Municipal | Hancock | carthage-il.com |
| City Of Casey | D- | IL | Municipal | Clark | cityofcaseyil.org |
| City Of Centralia | D | IL | Municipal | Marion | cityofcentralia.org |
| City Of Champaign | F | IL | Municipal | Champaign | ci.champaign.il.us |
| City Of Charleston | D+ | IL | Municipal | Coles | charlestonillinois.org |
| City Of Chenoa | C- | IL | Municipal | Mclean | chenoail.org |
| City Of Chester | F | IL | Municipal | Randolph | chesterill.com |
| City Of Chicago | D | IL | Municipal | Cook | chicago.gov |
| City Of Chicago Heights | F | IL | Municipal | Cook | chicagoheights.net |
| City Of Chillicothe | F | IL | Municipal | Peoria | ci.chillicothe.il.us |
| City Of Chrisman | — | IL | Municipal | Edgar | — |
| City Of Christopher | — | IL | Municipal | Franklin | — |
| City Of Clinton | C | IL | Municipal | Dewitt | clintonillinois.com |
| City Of Coffeen | — | IL | Municipal | Montgomery | — |
| City Of Colchester | — | IL | Municipal | Mcdonough | — |
| City Of Collinsville | D+ | IL | Municipal | Madison | collinsvilleil.org |
| City Of Colona | C | IL | Municipal | Henry | colonail.com |
| City Of Columbia | C | IL | Municipal | Monroe | columbiail.gov |
| City Of Country Club Hills | B- | IL | Municipal | Cook | countryclubhills.org |
| City Of Countryside | F | IL | Municipal | Cook | countrysideil.org |
| City Of Creal Springs | — | IL | Municipal | Williamson | — |
| City Of Crest Hill | D | IL | Municipal | Will | cityofcresthill.com |
| City Of Crystal Lake | D | IL | Municipal | Mchenry | crystallake.org |
| City Of Cuba | — | IL | Municipal | Fulton | — |
| City Of Dallas City | F | IL | Municipal | Hancock | dallascityil.com |
| City Of Danville | D+ | IL | Municipal | Vermilion | cityofdanville.org |
| City Of Darien | D- | IL | Municipal | Dupage | darien.il.us |
| City Of De Kalb | D | IL | Municipal | Dekalb | cityofdekalb.com |
| City Of Decatur | D- | IL | Municipal | Macon | decaturil.gov |
| City Of Delavan | D | IL | Municipal | Tazewell | delavanil.org |
| City Of Des Plaines | B- | IL | Municipal | Cook | desplainesil.gov |
| City Of Dixon | — | IL | Municipal | Lee | discoverdixon.org |
| City Of Du Quoin | F | IL | Municipal | Perry | duquoin.org |
| City Of Earlville | — | IL | Municipal | Lasalle | — |
| City Of East Dubuque | C | IL | Municipal | Jo Daviess | cityofeastdubuque.com |
| City Of East Moline | C- | IL | Municipal | Rock Island | eastmoline.com |
| City Of East Peoria | D+ | IL | Municipal | Tazewell | cityofeastpeoria.com |
| City Of East St Louis | D | IL | Municipal | St Clair | cesl.us |
| City Of Edwardsville | D- | IL | Municipal | Madison | cityofedwardsville.com |