- Cabery
- Cache
- Cahokia
- Cahokia
- Cairo
- Caledonia
- Caledonia Township
- Calumet
- Calumet City
- Calumet Park
- Camargo
- Camargo Township
- Cambria
- Cambridge
- Cambridge Township
- Camp Point
- Camp Point Township
- Campton
- Campton Hills
- Candlewick Lake
- Canteen
- Canton
- Canton township
- Cantrall
- Capital
- Capron
- Carbon Cliff
- Carbondale
- Carbondale
- Carbondale Township
- Carlin
- Carlinville
- Carlinville township
- Carlock
- Carlyle
- Carlyle township
- Carmi township
- Carmi
- Carol Stream
- Carpentersville
- Carrier Mills
- Carrier Mills Township
- Carroll
- Carrollton
- Carrollton Township
- Carterville Precinct
- Carterville
- Carthage
- Carthage Township
- Cartwright
- Cary
- Casey Township
- Casey
- Caseyville
- Caseyville township
- Casner
- Catlin Township
- Catlin
- Cave
- Cave-In-Rock Precinct
- Cave-In-Rock
- Cazenovia
- Cedar
- Central
- Central City
- Centralia
- Centralia Township
- Centralia
- Centreville
- Centreville Township
- Cerro Gordo
- Cerro Gordo Township
- Chadwick
- Chalmers
- Champaign
- Champaign City
- Chandlerville
- Chandlerville township
- Channahon Township
- Channahon
- Channel Lake
- Chapin
- Chapin-Concord
- Chapin precinct
- Charleston
- Charleston township
- Chatham
- Chatham Township
- Chatsworth township
- Chatsworth
- Chebanse
- Chemung township
- Chemung
- Cheney's Grove
- Chenoa Township
- Chenoa
- Cherry Grove-Shannon
- Cherry Valley Township
- Cherry Valley
- Cherry Valley
- Chester Precinct
- Chester
- Chester
- Chesterfield Township
- Chicago
- Chicago Heights
- Chicago Ridge
- Chili
- Chillicothe township
- Chillicothe
- Chouteau
- Chrisman
- Christopher
- Cicero
- Cincinnati
- Cisco
- Cisne
- Cissna Park
- Clare
- Clarendon Hills
- Clarksburg
- Clay City
- Clay City township
- Clayton Township
- Clayton
- Clear Lake Township
- Cleveland
- Clifton
- Clinton
- Clinton
- Clintonia
- Clyde
- Coal City
- Coal Valley
- Coal Valley
- Cobden
- Coe
- Coello
- Coffeen
- Colchester
- Colchester Township
- Colfax
- Colfax
- Collinsville
- Collinsville Township
- Coloma
- Colona
- Colona Township
- Columbia
- Compromise
- Compton
- Concord
- Concord
- Concord
- Concord precinct
- Congerville
- Copley
- Coral Township
- Cordova
- Cordova Township
- Cortland Township
- Cortland
- Corwin
- Cottage Hills
- Cotton Hill
- Coulterville
- Coulterville
- Coulterville Precinct
- Country Club Hills
- Countryside
- Cowden
- Coyne Center
- Crab Orchard Precinct
- Crainville
- Crater
- Creal Springs
- Creal Springs Precinct
- Crescent
- Crescent City
- Crest Hill
- Creston
- Crestwood
- Crete Township
- Crete
- Creve Coeur
- Crooked Creek
- Cruger
- Crystal Lake
- Crystal Lawns
- Cuba
- Cuba
- Cullom
- Cunningham
- Curran Township
- Custer
- Custer Park
- Cutler
- Cutler Precinct
Illinois Homes for sale & real estate cities starting with "C"
Illinois Cities starting With "C"
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