Hardyston Township dates to 1762, and 3 of its places are on the National Register
More historic than 79% of U.S. towns · #124 of 468 in New Jersey. What drives it
Most of Hardyston Township was built recently: 7% of its homes predate 1940 and the median home dates from 1985. Its Register listings are the Stockholm United Methodist Church, the Old Monroe School House and the Lawrence Mansion. Below: 1 old photo or paper, maps from 1888 on, and the census since 1810.
On its age, its old homes and the National Register, Hardyston Township is more historic than 79% of U.S. towns, #124 of 468 in New Jersey. Its age holds the grade up; its share of homes from before 1940 pulls it down.
A−
HistoryA character grade: shown, never part of Hardyston 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 Hardyston Township’s 7.2 sits near the middle of its state (64% of New Jersey towns have fewer) while its 6 historic buildings outnumber those of 72% of U.S. towns.
NoteThe founding year comes from Wikidata alone; no second source gives 1762.
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 (±3.7 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 Hardyston Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Lost two-thirds of its people between 1910 and 1930, then grew 8-fold.
22 censuses, 1810–2020.
U.S. Census Bureau decennial counts, from the census table on Hardyston Township’s Wikipedia page.
On the map
Hardyston Township on the map, 1888 to 1903
Every edition of the U.S. Geological Survey’s map of Hardyston Township. Tap a year, or press play to watch the town change.
1888Franklin 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 Hardyston Township.
Hardyston Township was set off from portions of Newton Township by Royal charter on February 25, 1762. It was named after Josiah Hardy, who was royal governor of New Jersey from 1761 to 1763. The original British spelling of Hardiston was Americanized to Hardyston after the American Revolutionary War.
Hardyston was incorporated on February 21, 1798, by an act of the New Jersey Legislature as one of New Jersey's original group of 104 townships. Over the centuries, portions of the township were taken to form Vernon Township (April 8, 1793), Sparta (April 14, 1845), Franklin (March 18, 1913) and Hamburg (March 19, 1920).
In 1762, according to Wikidata. Hardyston Township’s post office opened in 1869, and the census of 1810 counted 1,702 people here.
How does Hardyston Township rank for history?
Hardyston Township is more historic than 79% of U.S. towns, #124 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 Hardyston Township?
Three places: the Stockholm United Methodist Church (listed 1976), the Old Monroe School House (1977) and the Lawrence Mansion (1979).
How old are the homes in Hardyston Township?
7% of Hardyston Township’s homes were built before 1940 (Census estimate, ±3.7 points), against a typical 15% for a New Jersey town; the median home was built in 1985.
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), Wikidata (2), the National Register of Historic Places (3), 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.
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