Place List: St. Clair County, Illinois, USA
Place List: St. Clair County, Illinois, USA, sorted alphabetically (number of total localities in parentheses):
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1. Belleville, St. Clair County, Illinois, USA  |
2. East St. Louis, St. Clair County, Illinois, USA |
3. Scott Air Force Base, St. Clair County, Illinois, USA |