| Place Name | Mount Baldy |
| Place Type | Unincorporated |
| ZIP Code(s) | 91759 |
| County | Los Angeles County |
| Area Code(s) | 840,909 |
| Timezone | Pacific Standard Time (PST) |
| Population () | |
| Metro/Micro Stats Area | Los Angeles-Long Beach-Anaheim, CA |
| US Congressional District(s) | California 28th |
| State Assembly Districts | 41 |
| State Senate Districts | 25 |