Template:St. Clair County, Illinois

	Municipalities and Communities of St. Clair County, Illinois (County Seat: Belleville)
Cities, Towns and Villages	Alorton \| Belleville \| Brooklyn*Cahokia \| Caseyville \| Centreville \| Dupo \| East Carondelet \| East St. Louis \| Fairview Heights \| Fayetteville \| Freeburg \| Lebanon \| Lenzburg \| Marissa \| Mascoutah \| Millstadt \| New Athens \| O'Fallon \| Sauget \| Scott AFB \| Shiloh \| Smithton \| St. Libory \| Summerfield \| Swansea \| Washington Park
Townships	Belleville \| Canteen \| Caseyville \| Centreville \| East St. Louis \| Engelmann \| Fayetteville \| Freeburg \| Lebanon \| Lenzburg \| Marissa \| Mascoutah \| Millstadt \| New Athens \| O’Fallon \| Prairie du Long \| Shiloh Valley \| Smithton \| St. Clair \| Stites \| Stookey \| Sugarloaf