Place
- Calumet Park, Illinois3
- Campton Hills, Illinois1
- Carbon Hill, Illinois1
- Carol Stream, Illinois3
- Carpentersville, Illinois1
- Cary, Illinois2
- Channahon, Illinois1
- Channel Lake, Illinois1
- Chicago Heights, Illinois2
- Chicago Ridge, Illinois3
- Chicago, Illinois2
- Cicero, Illinois3
- Clarendon Hills, Illinois3
- Coal City, Illinois1
- Cook County, Illinois3
- Coral, Illinois1
- Country Club Hills, Illinois3
- Countryside, Illinois3
- Crest Hill, Illinois3
- Crestwood, Illinois3