C Cities in Illinois
Cabery
Cahokia
Cairo
Caledonia
Calhoun
Calumet City
Calumet Park
Camargo
Cambria
Cambridge
Camden
Camp Point
Campbell Hill
Campton Hills
Campus
Canton
Cantrall
Capron
Carbon Cliff
Carbon Hill
Carbondale
Carlinville
Carlock
Carlyle
Carmi
Carol Stream
Carpentersville
Carrier Mills
Carrollton
Carterville
Carthage
Cary
Casey
Caseyville
Catlin
Cave-In-Rock
Cedar Point
Cedarville
Central City
Centralia
Centreville
Cerro Gordo
Chadwick
Champaign
Chandlerville
Channahon
Chapin
Charleston
Chatham
Chatsworth
Chebanse
Chenoa
Cherry
Cherry Valley
Chester
Chesterfield
Chicago
Chicago Heights
Chicago Ridge
Chillicothe
Chrisman
Christopher
Cicero
Cisco
Cisne
Cissna Park
Claremont
Clarendon Hills
Clay City
Clayton
Clear Lake
Cleveland
Clifton
Clinton
Coal City
Coal Valley
Coalton
Coatsburg
Cobden
Coffeen
Colchester
Coleta
Colfax
Collinsville
Colona
Colp
Columbia
Columbus
Compton
Concord
Congerville
Cooksville
Cordova
Cornell
Cortland
Coulterville
Country Club Hills
Countryside
Cowden
Crainville
Creal Springs
Crescent City
Crest Hill
Creston
Crestwood
Crete
Creve Coeur
Crossville
Crystal Lake
Cuba
Cullom
Curran
Cutler
Cypress