| Place Name | Alton Bay |
| Place Type | Unincorporated |
| ZIP Code(s) | 03810 |
| County | Belknap County |
| Area Code(s) | 603 |
| Timezone | Eastern Daylight Time (EDT) |
| Population () | |
| Metro/Micro Stats Area | Laconia, NH |
| US Congressional District(s) | New Hampshire 1st |
| State House Districts | Belknap 7 |
| State Senate Districts | 6 |