| Place Name | Saint Ann |
| Place Type | Unincorporated |
| ZIP Code(s) | 63074 |
| County | Saint Louis County |
| Area Code(s) | 314,557 |
| Timezone | Central Standard Time (CST) |
| Population () | |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 1st |
| State House Districts | 72 |
| State Senate Districts | 14 |