Founding year: Wikidata. First post office: 1831.The full story ↓
History grade
What drives Northport’s History grade
On its age, its old homes and the National Register, Northport is more historic than 92% of U.S. towns, #213 of 758 in New York. All 3 inputs are above most U.S. towns; its age ranks highest and its National Register listings lowest.
A
HistoryA character grade: shown, never part of Northport’s overall grade.
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 Northport’s 10.9 sits near the middle of its state (47% of New York towns have fewer) while its 8 historic buildings outnumber those of 74% of U.S. towns.
NoteThe founding year comes from Wikidata alone; no second source gives 1656.
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 (±6.5 points).
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 Northport’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Northport. Tap a year, or press play to watch the town change.
1901Northport sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Northport.
Every building
Northport, building by building, 1891–1917
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.
The original inhabitants of the area now known as Northport were the Matinecocks, one of 13 Native American tribes of Long Island. The Matinecocks called this land Opcathontyche, which meant "wading place creek". After Dutch interest a few years earlier, the land was sold by Chief Asharoken, head of the Matinecocks, to three Englishmen in 1656.
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 1656, according to Wikidata. Northport’s post office opened in 1831, and the census of 1870 counted 1,060 people here.
How does Northport rank for history?
Northport is more historic than 92% of U.S. towns, #213 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.
How old are the homes in Northport?
29% of Northport’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 1957.
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 (12), Wikipedia, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) and Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.