Place
- Calumet Park, Illinois19
- Campton Hills, Illinois1
- Carbon Hill, Illinois1
- Carol Stream, Illinois3
- Carpentersville, Illinois1
- Cary, Illinois2
- Channahon, Illinois1
- Channel Lake, Illinois1
- Chicago Heights, Illinois2
- Chicago Ridge, Illinois22
- Chicago, Illinois8
- Cicero, Illinois22
- Clarendon Hills, Illinois3
- Coal City, Illinois1
- Cook County, Illinois32
- Coral, Illinois1
- Country Club Hills, Illinois3
- Countryside, Illinois14
- Crest Hill, Illinois3
- Crestwood, Illinois3