Barrios de Wisconsin C
- Caledonia (9)
- Calumet Farms (1)
- Cambridge Heights (10)
- Cannon Park (1)
- Capitol Heights (2)
- Capitol View Heights (1)
- Carpenter-Ridgeway (4)
- Castle Manor (3)
- Central Green Bay (18)
- City of Fond du Lac (24)
- City Park Historic District (1)
- Clarke Square (7)
- Cleveland Park (1)
- Clock Tower Acres (3)
- Colony Oaks (1)
- Columbus (2)
- Columbus Park (5)
- Concordia (5)
- Cooper Park (1)