There are 36 zip codes in Grafton County, New Hampshire. The most populated is 3766, located in Lebanon. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
|---|---|---|
| 03766 | Lebanon | 10,334 |
| 03755 | Hanover | 10,170 |
| 03264 | Plymouth | 6,917 |
| 03561 | Littleton | 6,021 |
| 03222 | Bristol | 5,894 |
| 03748 | Enfield | 4,547 |
| 03784 | West Lebanon | 4,181 |
| 03741 | Canaan | 4,164 |
| 03223 | Campton | 3,380 |
| 03285 | Thornton | 2,715 |
| 03585 | Lisbon | 2,557 |
| 03574 | Bethlehem | 2,528 |
| 03217 | Ashland | 2,239 |
| 03785 | Woodsville | 2,154 |
| 03245 | Holderness | 2,125 |
| 03266 | Rumney | 1,929 |
| 03774 | North Haverhill | 1,770 |
| 03768 | Lyme | 1,684 |
| 03251 | Lincoln | 1,474 |
| 03580 | Franconia | 1,425 |
| 03777 | Orford | 1,313 |
| 03240 | Grafton | 1,200 |
| 03262 | North Woodstock | 1,194 |
| 03241 | Hebron | 1,144 |
| 03282 | Wentworth | 1,083 |
| 03740 | Bath | 1,077 |
| 03750 | Etna | 1,035 |
| 03771 | Monroe | 856 |
| 03779 | Piermont | 849 |
| 03279 | Warren | 763 |
| 03780 | Pike | 637 |
| 03586 | Sugar Hill | 633 |
| 03765 | Haverhill | 469 |
| 03215 | Waterville Valley | 248 |
| 03238 | Glencliff | 81 |
| 03293 | Woodstock | 57 |