| Place Name | Treloar |
| Place Type | Unincorporated |
| ZIP Code(s) | 63357 |
| County | Warren County |
| Area Code(s) | 636 |
| Timezone | Central Standard Time (CST) |
| Population () | |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 2nd |
| State House Districts | 42 |
| State Senate Districts | 26 |