| Place Name | Saint Clair |
| Place Type | Unincorporated |
| ZIP Code(s) | 56080 |
| County | Blue Earth County |
| Area Code(s) | 507 |
| Timezone | Central Standard Time (CST) |
| Population () | |
| Metro/Micro Stats Area | Mankato, MN |
| US Congressional District(s) | Minnesota 1st |
| State House Districts | 22B |
| State Senate Districts | 22 |