| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Idlewilde | city | New Hampshire | United States | 45.15 | -71.18 | 1850 | |
| Interlaken Park | city | New Hampshire | United States | 43.60 | -71.45 | 830 | |
| Intervale | city | New Hampshire | United States | 44.07 | -71.14 | 830 | |
| Ireland | city | New Hampshire | United States | 44.16 | -71.89 | 1669 |