Its Register listings are the Hyde Log Cabin, the Gordon-Center House and the Congregational Church-Grand Isle. Below: 2 old photos and papers, maps from 1894 on, and the census since 1800.
The Grand Isle post office opened in 1810, the earliest record of the town by name. Two smaller post offices, Pearl (1883) and Adams (1886), opened inside today’s town and later closed.
First census: 678 in 18002020 census: 2,086216 years
How historic is Grand Isle?
A−
More historic than 84% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Grand Isle post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Grand Isle’s History grade
On its age, its old homes and the National Register, Grand Isle is more historic than 84% of U.S. towns. All 3 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its National Register listings lowest.
A−
HistoryA character grade: shown, never part of Grand Isle’s overall grade.
Vermont towns list more on the Register than most of the country (a typical Vermont town has 147 per 10,000 residents, the U.S. 2.4), so Grand Isle’s 36.5 sits near the middle of its state (44% of Vermont towns have fewer) while its 8 historic buildings outnumber those of 74% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from B+ to A−. The pre-1940 share is a Census survey estimate (±5.5 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Grand Isle’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The town was originally named "Middle Hero" when it was subdivided from the town of "South Hero" in November 1798. In November 1810, the town was renamed "Grand Isle".
Passages that mention Grand Isle, cut from the printed page as they were published.
History of Franklin and Grand Isle counties, Vermont1891 · page 674Read the page →
Read the text
But at this time and down to the year 1802 the town of South Hero, and as well that part of the island that is the town of Grand Isle, formed a part of Chittenden county, and was not entirely separated therefrom until the full organization of Grand Isle county in the year 1805. In the measures looking to the erection of the island towns into a separate county the people of South Hero took an active part, and were urged to press.their case with increased vigor and zeal on account of the fact that all the island region except this town and Grand Isle, or Middle
Text read by machine from the scan; it may contain errors.
History of Franklin and Grand Isle counties, Vermont1891 · page 652Read the page →
Read the text
Over in the western part of the town of Grand Isle, in the year 1827, the Friends' meeting-house was built. The people who were of this denomination or sect were among the earliest settlers in the town, and numbered some of the most thrifty families of the island. About the year 1800 their first meeting-house was built, of logs, which gave way to the more substantial house of brick erected in 1827.
Text read by machine from the scan; it may contain errors.
Mr. Robinson represented the town of Grand Isle in 1884 at the age of 33, and has served as lister and selectman both at Grand Isle and South Hero, and is now chairman of the board of the latter town.
Text read by machine from the scan; it may contain errors.
South Hero lies at the southern end of the county of Grand Isle, and is now bounded on the north bv the town of Grand Isle, but on limestone rock that frequently crops out above the surface. The farms produce splendid crops of hay and grain, and clover here at-
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
Grand Isle, 1810 to 1905
Woven from the archive, old maps, post office records, the National Register and the people born here.
The Grand Isle post office opened in 1810, the earliest record of the town by name (U.S. post office records).
How does Grand Isle rank for history?
Grand Isle is more historic than 84% of U.S. towns. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
What is on the National Register in Grand Isle?
Three places: the Hyde Log Cabin (listed 1971), the Gordon-Center House (1986) and the Congregational Church-Grand Isle (2001).
How old are the homes in Grand Isle?
26% of Grand Isle’s homes were built before 1940 (Census estimate, ±5.5 points), against a typical 22% for a Vermont town; the median home was built in 1983.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021).
From Wikimedia Commons (9), the Library of Congress (5), Wikidata (3), the National Register of Historic Places (3), Wikipedia, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.