Founded in 1802, Grand Isle County is one of 14 counties in the state of Vermont. Historically, Grand Isle County was formed from part of Chittenden County and Franklin County. The city of North Hero is the county seat. With FIPS code of 13, Grand Isle County has a population of 7,421 and area of 83 square miles (215 km2).
List of all cities in Grand Isle County, VT alphabetically
| City/Town | Postal Code | Area Code |
| Abnaki, VT | 05474 | 802 |
| Adams Landing, VT | 05458 | 802 |
| Alburgh, VT | 05440 | 802 |
| Birdland, VT | 05474 | 802 |
| Grand Isle, VT | 05458 | 802 |
| Isle La Motte, VT | 05463 | 802 |
| Keeler Bay, VT | 05486 | 802 |
| Keelers Bay, VT | 05486 | 802 |
| Knights Point, VT | 05474 | 802 |
| Lagrange, VT | 05474 | 802 |
| North Hero, VT | 05474 | 802 |
| Pearl, VT | 05458 | 802 |
| Point Farm, VT | 05458 | 802 |
| South Hero, VT | 05486 | 802 |