| Place Name | Saint Xavier |
| Place Type | Unincorporated |
| ZIP Code(s) | 59075 |
| County | Big Horn County |
| Area Code(s) | 406 |
| Timezone | Mountain Standard Time (MST) |
| Population () | |
| US Congressional District(s) | Montana 2nd |
| State House Districts | 42 |
| State Senate Districts | 21 |