- Chestertown, Maryland
- Chevy Chase, Maryland
- Chicago Ridge, Illinois
- Chicago, Illinois
- Chickamauga, Georgia
- Chickasaw, Alabama
- Chickasha, Oklahoma
- Chico, California
- Chicopee, Massachusetts
- Chiefland, Florida
- Chilmark, Massachusetts
- China Spring, Texas
- China, Maine
- Choctaw, Oklahoma
- Christiansburg, Virginia
- Chula Vista, California
- Cincinnati, Ohio
- Citronelle, Alabama
- City of Orange, New Jersey
- Claremont, California
- Clarendon Hills, Illinois
- Clarksville, Georgia
- Clarksville, Tennessee
- Claymont, Delaware
- Clayton, Georgia
- Clayton, New Jersey
- Clayton, North Carolina
- Clearfield, Utah
- Clearwater Beach, Florida
- Cleburne, Texas
- Clemmons, North Carolina
- Clemson, South Carolina
- Cleveland, Georgia
- Cleveland, Mississippi
- Cleveland, Ohio
- Cleveland, Tennessee
- Cleves, Ohio
- Clewiston, Florida
- Clifton, Virginia
- Clovin, New Mexico
