Each edition grades its towns against each other only.
More historic than 74% of U.S. towns · #490 of 758 in New York. What drives it
Its Register listing is the Grace Episcopal Church. Below: 4 old photos and papers, maps from 1904 on, and the census since 1840.
The Triangle post office opened in 1818, the earliest record of the town by name. Two smaller post offices, Upper Lisle (1826) and Penelope (1890), opened inside today’s town and later closed.
More historic than 74% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Triangle is more historic than 74% of U.S. towns, #490 of 758 in New York. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
New York towns list more on the Register than most of the country (a typical New York town has 12.3 per 10,000 residents, the U.S. 2.4), so Triangle’s 3.6 sits below most of its state (30% of New York towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
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 →
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Triangle’s history is told.
Triangle had its own post office from 1818 to 1954. Two other post offices opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Every edition of the U.S. Geological Survey’s map of Triangle. Tap a year, or press play to watch the town change.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Triangle.
From Wikipedia’s history of Triangle.
The area was first settled circa 1791. The town of Triangle was formed from the town of Lisle in 1831. The area had previously been called the "Chenango Triangle".
In 1871, the community of Whitney Point incorporated as a village within the town.
Text from Wikipedia, licensed CC BY-SA 4.0.
Woven from the archive, old maps, post office records, the National Register and the people born here.
Born hereIsaac T. Stoddard is born here
Born hereFrederick W. Smith is born here
In the archiveNorth Fenton, Fenton TP; Triangle, Triangle TP.; Whitney's Point
On the mapFirst mapped by the U.S. Geological SurveyOne decade in the archive so far: the 1870s. Scroll each row; tap a photo for its story.
No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.
Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Triangle’s page.
Retake this view · +15The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Between 1,452 and 3,032 people in every census since 1840.
18 censuses, 1840–2010.
U.S. Census Bureau decennial counts, from the census table on Triangle’s Wikipedia page.
Writers, athletes, leaders and more, ranked by how widely they’re known.
Each neighbor’s History grade, on the same three inputs.
The Triangle post office opened in 1818, the earliest record of the town by name (U.S. post office records).
Triangle is more historic than 74% of U.S. towns, #490 of 758 in New York. 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.
One place: the Grace Episcopal Church (listed 1998).
24% of Triangle’s homes were built before 1940 (Census estimate, ±6.5 points), against a typical 27% for a New York town; the median home was built in 1976.
What the archives can’t tell you, neighbors can.
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 (4), the National Register of Historic Places (1), 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.
1876
1876
1876