Cadiz - (10)

Cairo - (8)

Calcutta - (2)

Caldwell - (12)

Caledonia - (5)

Cambridge - (50)

Camden - (11)

Camp Dennison - (5)

Campbell - (10)

Canal Fulton - (29)

Canal Winchester - (45)

Canfield - (43)

Canton - (187)

Cardington - (10)

Carey - (11)

Carlisle - (11)

Carpenter - (2)

Carroll - (18)

Carrollton - (26)

Carthagena - (3)

Casstown - (7)

Castalia - (11)

Catawba - (4)

Cedarville - (7)

Celina - (34)

Centerburg - (10)

Centerville - (61)

Chagrin Falls - (91)

Champion Township - (2)

Chardon - (62)

Charlestown Township - (0)

Charm - (8)

Chatfield - (4)

Chauncey - (5)

Cherry Fork - (4)

Chesapeake - (15)

Cheshire - (5)

Chester - (1)

Chesterfield - (0)

Chesterhill - (5)

Chesterland - (99)

Cheviot - (11)

Chickasaw - (4)

Chillicothe - (136)

Chilo - (5)

Chippewa Lake - (5)

Chippewa Township - (1)

Christiansburg - (3)

Cincinnati - (2579)

Circleville - (47)

Clarksburg - (4)

Clarksville - (9)

Clay Township, Montgomery County - (1)

Clay Township, Scioto County - (3)

Clayton - (16)

Clearcreek Township - (2)

Cleveland - (1170)

Cleveland Heights - (58)

Cleves - (24)

Clinton - (13)

Cloverdale - (2)

Clyde - (25)

Coal Grove - (7)

Coldwater - (10)

Colerain Township - (5)

College Corner - (8)

Collins - (6)

Columbia Station - (24)

Columbia Township - (1)

Columbia Township, Hamilton County - (1)

Columbiana - (31)

Columbus - (1411)

Columbus Grove - (7)

Commercial Point - (4)

Concord - (15)

Concord Township - (3)

Conesville - (4)

Conneaut - (31)

Continental - (7)

Convoy - (7)

Coolville - (7)

Copley - (19)

Copley Township - (2)

Corning - (5)

Cortland - (25)

Coshocton - (47)

Coventry Township - (8)

Covington - (15)

Creola - (9)

Crestline - (11)

Creston - (8)

Cridersville - (3)

Crooksville - (14)

Crosby Township - (1)

Croton - (5)

Crown City - (6)

Cumberland - (6)

Curtice - (15)

Custar - (5)

Cutler - (3)

Cuyahoga Falls - (121)

Cuyahoga Heights - (7)

Cygnet - (5)