| Place Name | Monticello |
| Place Type | Unincorporated |
| ZIP Code(s) | 87939 |
| County | Sierra County |
| Area Code(s) | 575 |
| Timezone | Mountain Standard Time (MST) |
| Population () | |
| US Congressional District(s) | New Mexico 2nd |
| State House Districts | 49 |
| State Senate Districts | 35 |