Grand Isle is located in Grand Isle County in the northwestern part of Vermont along Lake Champlain. It has a population of approximately 2,000 and a median household income of approximately $52,000. Neighboring towns include Alburgh, North Hero, and Isle La Motte. Grand Isle is part of The Grand Isle Supervisory Union which provides K-8 grade education. There is no high school in the County so students from grades 9-12 have the choice of attending high schools in neighboring counties. Browse available Grand Isle VT real estate below.