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Grand Isle County Vermont ☎ +1 802-372-8830 Last Updated: 02/23/2026 |
| Grand Isle County is a county in the United States state of Vermont. According to the 2020 census, its population was 7,293, making it the second least populated county in Vermont. The county seat (county capital) is North Hero. The county is part of the Burlington metropolitan area. | |
| Grand Isle County comprises several sparsely populated, non-contiguous islands and peninsulas on Lake Champlain, connected by U.S. Highway 2. | |