Grand Isle information on the site is deemed reliable, but not guaranteed. Our Grand Isle stats, Grand Isle census, and Grand Isle information is aggregated from many different sources and may be dated. Currently, we have zero Grand Isle foreclosures of four thousand six hundred sixty-three Grand Isle, Vermont housing units housing units, of which two thousand seven hundred sixty-one are occupied, two thousand two hundred forty-seven are owner occupied, five hundred fourteen are rented, one thousand nine hundred two are vacant, and eight hundred thirty-four have mortgages. has two thousand seven hundred sixty-one households, and six thousand nine hundred one citizens.