Raritan Township dates to 1868, and 4 of its places are on the National Register
More historic than 52% of U.S. towns · #299 of 468 in New Jersey. What drives it
Most of Raritan Township was built recently: 5% of its homes predate 1940 and the median home dates from 1986. 4 places in town are on the National Register, among them two historic districts with 68 buildings between them. Below: 12 old photos and papers, maps from 1890 on, and the census since 1870.
Founding year: Wikipedia. First post office: 1836.The full story ↓
History grade
What drives Raritan Township’s History grade
On its age, its old homes and the National Register, Raritan Township is more historic than 52% of U.S. towns, #299 of 468 in New Jersey. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
B−
HistoryA character grade: shown, never part of Raritan Township’s overall grade.
New Jersey towns list more on the Register than most of the country (a typical New Jersey town has 3.7 per 10,000 residents, the U.S. 2.4), so Raritan Township’s 32.0 sits above most of its state (78% of New Jersey towns have fewer) while its 78 historic buildings outnumber those of 88% of U.S. towns.
NoteThe founding year comes from Wikipedia alone; no second source gives 1868.
How sure. Graded on any two of the three inputs instead, the letter would range from C to B. The pre-1940 share (±2.2 points) is firm at this size.
Founding year: Wikipedia (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 Raritan Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
Raritan Township on the map, 1890 to 1970
Every edition of the U.S. Geological Survey’s map of Raritan Township. Tap a year, or press play to watch the town change.
1890High Bridge 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 Raritan Township.
On the National Register
4 listings protect 78 historic buildings
The country’s official list of buildings and places worth saving.
Raritan was originally established as a subdivision within Bridgewater Township by an act of the New Jersey Legislature on April 3, 1868. Despite its size, the town has an extensive history, that encompasses local, national, and even global history.
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 1868, according to Wikipedia’s history of the town. Raritan Township’s post office opened in 1836, and the census of 1870 counted 1,009 people here.
How does Raritan Township rank for history?
Raritan Township is more historic than 52% of U.S. towns, #299 of 468 in New Jersey. 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 Raritan Township?
4 listings: 2 buildings, among them the John Reading Farmstead (listed 1978, the first), and 2 historic districts, the Raritan-Readington South Branch Historic District and the Reaville Historic District, with 68 contributing buildings. 78 historic buildings in all.
How old are the homes in Raritan Township?
5% of Raritan Township’s homes were built before 1940 (Census estimate, ±2.2 points), against a typical 15% for a New Jersey town; the median home was built in 1986.
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), the National Register of Historic Places (4), Wikipedia, 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.