Calumet City 85 85 85
Calumet Park 85 85 85
Carol Stream 46 54 70
Carpentersville 56 66 75
Cary 59 69 75
Caton Farm 85 85 90
Cherry Hill 90 100 100
Chicago Heights 85 85 90
Chicago Ridge 70 70 70
Chicago South Side 70 70 70
Chicago Loop 60 60 60
Cicero 50 58 60
Clarendon Hills 55 60 65
Cloverdale 45 57 65
Country Club Hills 80 80 75
Countryside 55 55 65
Crest Hill 80 80 80
Crestwood 70 70 70
Crete 90 80 85
Crockett Estates 70 85 90
Crooked Lake Oaks 65 75 75
Crystal Lake 65 75 85
Crystal Lawn 65 75 85