St. Clair County Public Library
| Library | Street | City | State | Zip | County | Phone |
|---|---|---|---|---|---|---|
| Algonac-clay Township Library | 2011 SAINT CLAIR RIVER DRIVE | Algonac | Michigan | 48001 | St. Clair | 7653423451 |
| Appleton City Library | 105 W. 4TH STREET | Appleton City | Missouri | 64724 | St. Clair | 2485464095 |
| O'fallon Public Library | 120 CIVIC PLAZA | O'FALLON | Illinois | 62269 | St. Clair |