Massachusetts Neighborhoods C
- Cambridge Highlands (48)
- Cambridge Reservoir (1)
- Cambridgepark (9)
- Cambridgeport (340)
- Carlisle (1)
- Cedar Woods (4)
- Central Billerica (17)
- Central Hudson (8)
- Central Maverick Square-Paris St (5)
- Central Peabody (19)
- Central Square (60)
- Central Tewksbury (3)
- Centralville (15)
- Charlestown Navy Yard (4)
- Chemistry (2)
- Chestnut Hill Middlesex (31)
- Chestnut Hill Norfolk (19)
- Chinatown (137)
- Cleghorn (11)
- Cleveland Circle (160)
- Codman Square-East Codman Hill (65)
- Columbia Point (3)
- Columbus Park-Worcester (10)
- Commonwealth (11)
- Conway Park (298)
- Coolidge Corner (1260)
- Cottage Hill (4)
- Crescent Beach (36)
- Crockerville (3)
- Cummingsville (7)
- Cushing Square (46)