Barrios de Wisconsin C
- Caledonia (10)
- Calumet Farms (1)
- Cambridge Heights (20)
- Cannon Park (1)
- Capitol Heights (3)
- Capitol View Heights (1)
- Carpenter-Ridgeway (6)
- Castle Manor (4)
- Central Green Bay (23)
- City of Fond du Lac (38)
- City Park Historic District (1)
- Clarke Square (8)
- Clock Tower Acres (2)
- Colburn (1)
- Cold Spring Park (2)
- Colony Oaks (2)
- Columbus (7)
- Columbus Park (2)
- Concordia (4)
- Cooper Park (1)