| Place Name | Deer River |
| Place Type | Unincorporated |
| ZIP Code(s) | 13367 |
| County | Lewis County |
| Area Code(s) | 315,680 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| US Congressional District(s) | New York 21st |
| State Assembly Districts | 117 |
| State Senate Districts | 49 |