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C+History
History · Cinnaminson Township

Cinnaminson Township’s post office opened in 1836

More historic than 35% of U.S. towns · #380 of 468 in New Jersey. What drives it

Most of Cinnaminson Township was built recently: 5% of its homes predate 1940 and the median home dates from 1968. Below: 2 old photos and papers from 1900 on and the census since 1860.

1836first post office
0on the National Register
5%homes built before 1940
2old photos & papers
5famous people
From Cinnaminson Township’s archive · credits on each photo
Quick answers

How Cinnaminson Township began

When was Cinnaminson Township founded?

1836

The Cinnaminson Township post office opened in 1836, the earliest record of the town by name. Two smaller post offices, Cinnaminson (1836) and Parry (1880), opened inside today’s town and later closed.

First census: 2,701 in 18602020 census: 17,064190 years

How historic is Cinnaminson Township?

C+

More historic than 35% of U.S. towns, on its age, its old homes and the National Register.

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

What drives Cinnaminson Township’s History grade

On its age, its old homes and the National Register, Cinnaminson Township is more historic than 35% of U.S. towns, #380 of 468 in New Jersey. Its age holds the grade up; its National Register listings pull it down.

C+
HistoryA character grade: shown, never part of Cinnaminson Township’s overall grade.
All U.S. towns we grade (21,289)Ahead of 35%
NewerOlder
New Jersey towns of 2,500+ (468)Ahead of 19%

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 Cinnaminson Township’s 0.0 sits below most of its state (12% of New Jersey towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.

How sure. Graded on any two of the three inputs instead, the letter would range from D to B−. The pre-1940 share (±1.4 points) is firm at this size. 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 Cinnaminson Township’s past

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

★ What stands out · Places that used to be

Lost post offices, old corners and burying grounds

Two other post offices opened and closed inside today’s town.

Cinnaminson
1836–1915
Parry
1880–1899
18301930today
Hamlets and corners on the map
BellviewCinnaminsonEast RivertonFork LandingIvywoodNew AlbanyParryPheasant RunRivertonUnion LandingWellington ParkWrightsville
3cemeteries and burying grounds inside Cinnaminson Township
Asbury United Methodist ChurchLakeview Memorial ParkMorgan

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

Help out

Start Cinnaminson Township’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
1 of 10 decades. The empty ones are waiting for someone’s album.
People over time

Cinnaminson Township, census by census

02,0004,0006,0008,00010,00012,00014,00016,00018,0001900195020003,112 in 1870Low: 1,078

Lost two-thirds of its people between 1870 and 1900, then grew more than tenfold.

17 censuses, 1860–2020.

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

The story

How Cinnaminson Township came to be

From Wikipedia’s history of Cinnaminson Township.

Read it all →

Cinnaminson was formed by resolution in 1860 from a section of Chester Township. Part of this resolution reads, "The inhabitants of the township of Chester having become so numerous that it is impracticable for them to meet with convenience and good order in one assembly... the Township shall be divided."

The name "Cinnaminson" is said to derive from the Lenape Native American word "Senamensing," which means "sweet water". Alternatively, the name may derive from Native American words meaning "stone island".

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Cinnaminson Township, 1836 to 2020

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

  1. 19th century
  2. 1836Post officeThe Cinnaminson post office opens
  3. 1880Post officeThe Parry post office opens
  4. 1899Post officeThe Parry post office closes
  5. 20th century
  6. 1900In the archiveHistorical sketch of Westfield Friends Meeting site map
  7. 1915Post officeThe Cinnaminson post office closes
  8. 1964Born hereDarrell Hazell is born here
  9. 1967Born hereJim DeRose is born here
  10. 1971Born hereNicole Chesney is born here
  11. 1973Born hereDanny Cage is born here
  12. 21st century
  13. 2020CensusPopulation peaks at 17,064
By decade

Cinnaminson Township, decade by decade

One decade in the archive so far: the 1900s. Scroll each row; tap a photo for its story.

Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

Historical sketch of Westfield Friends Meeting-house
Retake this viewHistorical sketch of Westfield Friends Meeting-house, 1900

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Cinnaminson Township’s page.

Retake this view · +15
Famous people

5 famous people were born in Cinnaminson Township

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →
Stories next door

History across the town line

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

Questions about Cinnaminson Township’s history

What year was Cinnaminson Township founded?

The Cinnaminson Township post office opened in 1836, the earliest record of the town by name (U.S. post office records).

How does Cinnaminson Township rank for history?

Cinnaminson Township is more historic than 35% of U.S. towns, #380 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.

How old are the homes in Cinnaminson Township?

5% of Cinnaminson Township’s homes were built before 1940 (Census estimate, ±1.4 points), against a typical 15% for a New Jersey town; the median home was built in 1968.

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 (11), Wikipedia, Wikidata and Wikipedia for famous people, 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.