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