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B−History
History · Allamuchy Township

Allamuchy Township’s post office opened in 1825, and 1 of its places is on the National Register

More historic than 52% of U.S. towns · #298 of 468 in New Jersey. What drives it

Most of Allamuchy Township was built recently: 3% of its homes predate 1940 and the median home dates from 1983. 1 place in town is on the National Register, among them a historic district with 2 buildings. Below: maps from 1888 on and the census since 1880.

1825first post office
1on the National Register
3%homes built before 1940
Quick answers

How Allamuchy Township began

When was Allamuchy Township founded?

1825

The Allamuchy Township post office opened in 1825, the earliest record of the town by name. Wikidata gives 1873.

First census: 648 in 18802020 census: 5,335201 years

How historic is Allamuchy Township?

B−

More historic than 52% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Allamuchy Township post office (Blevins & Helbock, CC0). Wikidata: 1873.The full story ↓
History grade

What drives Allamuchy Township’s History grade

On its age, its old homes and the National Register, Allamuchy Township is more historic than 52% of U.S. towns, #298 of 468 in New Jersey. Its age holds the grade up; its share of homes from before 1940 pulls it down.

B−
HistoryA character grade: shown, never part of Allamuchy Township’s overall grade.
All U.S. towns we grade (21,289)Ahead of 52%
NewerOlder
New Jersey towns of 2,500+ (468)Ahead of 36%

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 Allamuchy Township’s 3.7 sits near the middle of its state (49% of New Jersey towns have fewer) while its 2 historic buildings outnumber those of 60% of U.S. towns.

How sure. Graded on any two of the three inputs instead, the letter would range from C to B+. The pre-1940 share (±2.6 points) is firm at this size. The founding year is the first post office, not a stated founding date; Wikidata gives 1873.

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 Allamuchy Township’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · Help out

Start Allamuchy Township’s collection

The first neighbors to add old photos shape how Allamuchy Township’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
On the map

Allamuchy Township on the map, 1888 to 1971

Every edition of the U.S. Geological Survey’s map of Allamuchy Township. Tap a year, or press play to watch the town change.

Allamuchy Township on the 1888 USGS mapAllamuchy Township on the 1894 USGS mapAllamuchy Township on the 1905 USGS mapAllamuchy Township on the 1943 USGS mapAllamuchy Township on the 1954 USGS mapAllamuchy Township on the 1971 USGS map1888Hackettstown 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 Allamuchy Township.

Places that used to be

Old corners

Old hamlets and crossroads still carry their names on the map.

Hamlets and corners on the map
AllamuchyAlphanoLong BridgeSaxton FallsVilla MadonnaWeirtown

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

The story

How Allamuchy Township came to be

From Wikipedia’s history of Allamuchy Township.

Read it all →

Prior to European settlement, what is now Allamuchy Township was inhabited for centuries by the Lenape Native Americans, until they were forced west by 1742. The Bird House Archaeological Site is located within the Township.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Allamuchy Township, 1825 to 1902

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1825Post officeThe Allamuchy post office opens
  3. 1888On the mapFirst mapped by the U.S. Geological Survey
  4. 20th century
  5. 1902BuiltRutherford Hall is built
By decade

Allamuchy Township, decade by decade

On the National Register

1 historic place in Allamuchy Township

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
2
each building in a district counts
first listed
2013
Rutherford Hall

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

People over time

Allamuchy Township, census by census

05001,0001,5002,0002,5003,0003,5004,0004,5005,0005,500188019001920194019601980200020205,335

Grew from 648 people in 1880 to 5,335 in 2020, 8 times over.

15 censuses, 1880–2020.

U.S. Census Bureau decennial counts, from the census table on Allamuchy Township’s Wikipedia page.

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Allamuchy Township’s history

What year was Allamuchy Township founded?

The Allamuchy Township post office opened in 1825, the earliest record of the town by name (U.S. post office records). Wikidata gives 1873.

How does Allamuchy Township rank for history?

Allamuchy Township is more historic than 52% of U.S. towns, #298 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 Allamuchy Township?

One place: the Rutherford Hall (listed 2013).

How old are the homes in Allamuchy Township?

3% of Allamuchy Township’s homes were built before 1940 (Census estimate, ±2.6 points), against a typical 15% for a New Jersey town; the median home was built in 1983.

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

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 (1), 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.