| Place Name | Saint Clair |
| Place Type | Unincorporated |
| ZIP Code(s) | 48079 |
| County | Saint Clair County |
| Area Code(s) | 810 |
| Timezone | Eastern Daylight Time (EDT) |
| Population () | |
| Metro/Micro Stats Area | Detroit-Warren-Dearborn, MI |
| US Congressional District(s) | Michigan 9th |
| State House Districts | 63 |
| State Senate Districts | 25 |