Thetford dates to 1761, and 17% of its homes were built before 1940
More historic than 94% of U.S. towns · #27 of 71 in Vermont. What drives it
8 places in town are on the National Register, among them three historic districts with 93 buildings between them. Below: 3 old photos and papers, maps from 1931 on, and the census since 1790.
Founding year: Wikidata. First post office: 1807.The full story ↓
History grade
What drives Thetford’s History grade
On its age, its old homes and the National Register, Thetford is more historic than 94% of U.S. towns, #27 of 71 in Vermont. All 3 inputs are above most U.S. towns; its age ranks highest and its share of homes from before 1940 lowest.
A
HistoryA character grade: shown, never part of Thetford’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 Thetford’s 341 sits above most of its state (81% of Vermont towns have fewer) while its 96 historic buildings outnumber those of 89% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from A− to A+. The pre-1940 share is a Census survey estimate (±5.8 points). Two sources give 1761.
Founding year: Wikidata (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 Thetford’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The town was created on August 12, 1761, by way of a royal charter which King George III of Great Britain issued to Governor Benning Wentworth of New Hampshire. Wentworth named it for Augustus Henry Fitzroy, 3rd Duke of Grafton, 4th Earl of Arlington and 4th Viscount Thetford, who in 1768 became prime minister. It was first settled in 1764 by John Chamberlin, who lived at East Thetford beside the Connecticut River. He was an agent for one of 62 proprietors (51 from Hebron, Connecticut).
In 1910, the Camp Fire Girls were founded locally. This became a national organization within two years.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
In 1761, according to Wikidata. Thetford’s post office opened in 1807, and the first U.S. census counted 862 people here in 1790.
How does Thetford rank for history?
Thetford is more historic than 94% of U.S. towns, #27 of 71 in Vermont. 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 Thetford?
8 listings: 3 buildings, 3 historic districts, the Thetford Hill Historic District, the Thetford Center Historic District and the Thetford Hill State Park, with 93 contributing buildings, and 2 structures. 96 historic buildings in all.
How old are the homes in Thetford?
17% of Thetford’s homes were built before 1940 (Census estimate, ±5.8 points), against a typical 22% for a Vermont town; the median home was built in 1978.
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 (11), the Library of Congress (1), the National Register of Historic Places (8), 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) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
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