St. Clair County, IL
31 towns and cities in St. Clair County, Illinois
St. Clair County is a county in Illinois with 257,400 residents and 658 sq mi of land.
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Towns and cities in St. Clair County
- Belleville 42,404
- Brooklyn 649
- Cahokia Heights
- Caseyville 4,400
- Darmstadt 49
- Dupo 3,996
- East Carondelet 390
- East St. Louis 18,469
- Fairmont City 2,265
- Fairview Heights 16,706
- Fayetteville 302
- Floraville 49
- Freeburg 4,582
- Lebanon 4,691
- Lenzburg 468
- Marissa 1,833
- Mascoutah 8,754
- Millstadt 4,071
- New Athens 1,955
- New Baden 3,428
- O'Fallon 32,289
- Paderborn 35
- Rentchler 45
- Sauget 141
- Scott AFB 3,688
- Shiloh 14,098
- Smithton 4,006
- St. Libory 628
- Summerfield 347
- Swansea 14,386
- Washington Park 2,592
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