Millburn Township’s post office opened in 1854, and 33% of its homes were built before 1940
More historic than 83% of U.S. towns · #96 of 468 in New Jersey. What drives it
1 place in town is on the National Register, among them a historic district with 125 buildings. Below: 1 old photo or paper, maps from 1888 on, and the census since 1860.
From Millburn Township’s archive · credits on each photo
Quick answers
How Millburn Township began
When was Millburn Township founded?
1854
The Millburn Township post office opened in 1854, the earliest record of the town by name. Two smaller post offices, Baltusrol (1893) and Baltusrol (1907), opened inside today’s town and later closed.
First census: 1,630 in 18602020 census: 21,710172 years
How historic is Millburn Township?
A−
More historic than 83% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Millburn Township post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Millburn Township’s History grade
On its age, its old homes and the National Register, Millburn Township is more historic than 83% of U.S. towns, #96 of 468 in New Jersey. Its share of homes from before 1940 holds the grade up; its age pulls it down.
A−
HistoryA character grade: shown, never part of Millburn 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 Millburn Township’s 56.4 sits above most of its state (82% of New Jersey towns have fewer) while its 125 historic buildings outnumber those of 91% of U.S. towns.
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 (±3.0 points). The founding year is the first post office, not a stated founding date.
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 →
What stands out about Millburn Township’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 Millburn Township. Tap a year, or press play to watch the town change.
1888Plainfield 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 Millburn Township.
Millburn was an agricultural settlement before it became a Victorian residential community. It was part of the Newark settlements in New Jersey in the 19th century made from Charles II from James, his brother, in the 17th century. Springfield Township, founded in 1783, included Millburn.
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.
The Millburn Township post office opened in 1854, the earliest record of the town by name (U.S. post office records).
How does Millburn Township rank for history?
Millburn Township is more historic than 83% of U.S. towns, #96 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 Millburn Township?
One place: the Short Hills Park Historic District (listed 1980).
How old are the homes in Millburn Township?
33% of Millburn Township’s homes were built before 1940 (Census estimate, ±3.0 points), against a typical 15% for a New Jersey town; the median home was built in 1954.
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 (24), 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.