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BHistory
History · South Brunswick Township

South Brunswick Township dates to 1778, and 4 of its places are on the National Register

More historic than 62% of U.S. towns · #240 of 468 in New Jersey. What drives it

Most of South Brunswick Township was built recently: 2% of its homes predate 1940 and the median home dates from 1987. 4 places in town are on the National Register, among them two historic districts with 28 buildings between them. Below: 1 old photo or paper, maps from 1888 on, and the census since 1790.

1778founded
4on the National Register
2%homes built before 1940
1old photo or paper
Add an old photoShare a memory
Quick answers

How South Brunswick Township began

When was South Brunswick Township founded?

1778

South Brunswick Township dates its founding to 1778 (Wikidata). It appears in the first U.S. census, 1790.

First census: 1,817 in 17902020 census: 47,043248 years

How historic is South Brunswick Township?

B

More historic than 62% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: Wikidata. First post office: 1810.The full story ↓
History grade

What drives South Brunswick Township’s History grade

On its age, its old homes and the National Register, South Brunswick Township is more historic than 62% of U.S. towns, #240 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 South Brunswick Township’s overall grade.
Founding era1778, from Wikidata: founded 1776–1849, an older era than 75% of U.S. townsA−Homes built before 19402.4% of homes (±1.1) · typical NJ town 14.7% · U.S. 8.4%C−National Register4 listings, 40 historic buildings, 8.5 per 10,000 residents · typical NJ town 3.7 · U.S. 2.4A−
All U.S. towns we grade (21,289)Ahead of 62%
NewerOlder
New Jersey towns of 2,500+ (468)Ahead of 49%

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 South Brunswick Township’s 8.5 sits above most of its state (67% of New Jersey towns have fewer) while its 40 historic buildings outnumber those of 83% of U.S. towns.

How sure. Graded on any two of the three inputs instead, the letter would range from C+ to A−. The pre-1940 share (±1.1 points) is firm at this size. Two sources give 1778.

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 South Brunswick Township’s past

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

Lost villages3 post offices opened and closed inside today’s South Brunswick Township, and 10 old place names are still on the map.A history waiting to be writtenOnly 1 old photo is in the public archives. The rest are in attics and albums.Shrank, then grewLost a third of its people between 1860 and 1920, then grew more than tenfold.On the map since 18887 editions of the USGS map, 1888 to 1981. Watch South Brunswick Township change.
★ What stands out · Places that used to be

Lost post offices, old corners, places now gone and burying grounds

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

Greenbrook
1810–1810
South Brunswick
1848–1866
Dayton
1866–today
Mornouth Junction
1869–today
Deans
1872–1963
Franklin Park
1872–today
Kendall Park
1964–today
18101920today
Hamlets and corners on the map
CottagevilleDaytonDeansFresh PondsHeathcoteKendall ParkKingstonMonmouth JunctionSand HillsSouth Brunswick Terrace
Gone or out of use
Dallenbach Sand PitmineWarner-LambertairportZigfieldairport
3cemeteries and burying grounds inside South Brunswick Township
Degel YehudoFloral ParkWashington

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

Help out

Start South Brunswick Township’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Share a family photoSign in to add one+10
People over time

South Brunswick Township, census by census

05,00010,00015,00020,00025,00030,00035,00040,00045,00050,000180018501900195020003,816 in 1860Low: 2,206

Lost a third of its people between 1860 and 1920, then grew more than tenfold.

23 censuses, 1790–2020.

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

The story

How South Brunswick Township came to be

From Wikipedia’s history of South Brunswick Township.

Read it all →

South Brunswick Township was incorporated by the New Jersey Legislature Act on February 21, 1798. The community was primarily agricultural in the 18th and 19th centuries. The Straight Turnpike, now Route 1, was constructed in 1804. The township got its name from New Brunswick, which in turn was named after the city of Braunschweig (called Brunswick in the Low German language), in the state of Lower Saxony, in Germany. Braunschweig was an influential and powerful city in the Hanseatic League, later in the Holy Roman Empire, and was an administrative seat for the Duchy (and later Principality) of Hanover. Shortly after the first settlement of New Brunswick in colonial New Jersey, George, Duke of Brunswick-Lüneburg, and Elector of Hanover, of the House of Hanover (also known as the House of Brunswick), became King George I of Great Britain (1660–1727). Alternatively, the city derived its n…

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

South Brunswick Township, 1778 to 2020

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

  1. 18th century
  2. 1778
    FoundingSouth Brunswick Township is established
  3. 19th century
  4. 1802In the archiveRoad from Philadelphia to New York, seg. 8-9.)
  5. 1810Post officeThe Greenbrook post office opens
  6. 1810Post officeThe Greenbrook post office closes
  7. 1848Post officeThe South Brunswick post office opens
  8. 1866Post officeThe South Brunswick post office closes
  9. 1866Post officeThe Dayton post office opens
  10. 1888On the mapFirst mapped by the U.S. Geological Survey
  11. 21st century
  12. 2020CensusPopulation peaks at 47,043
By decade

South Brunswick Township, decade by decade

One decade in the archive so far: the 1800s. Scroll each row; tap a photo for its story.

1800s1 item
Road from Philadelphia to New York, seg. 8-9.)1802Road from Philadelphia to New York, seg. 8-9.)Document
Today11 recent
Niksun facilities at Monmouth Junction 20102010Niksun facilities at Monmouth Junction 2010Kingston, NJ November 20092009Kingston, NJ November 2009HPIM0286 lawrence brook sb2009HPIM0286 lawrence brook sbThe Road to the Farm2008The Road to the FarmSeptember Morning in Monmouth Junction, New Jersey. September 28,20082008September Morning in Monmouth Junction, New Jersey. S…September Morning in Monmouth Junction, New Jersey. September 28,2008 - panoramio - Gary Miotla2008September Morning in Monmouth Junction, New Jersey. S…September Morning in Monmouth Junction, New Jersey. September 28,2008 - panoramio - Gary Miotla (1)2008September Morning in Monmouth Junction, New Jersey. S…GULICK HOUSE, MIDDLESEX COUNTY, NJ2008GULICK HOUSE, MIDDLESEX COUNTY, NJCook Preserve, Kingston, NJ2008Cook Preserve, Kingston, NJSouthBrunswick-twp-nj2006SouthBrunswick-twp-njMidway Interlocking, South Brunswick, NJ2004Midway Interlocking, South Brunswick, NJ
On the map

South Brunswick Township on the map, 1888 to 1981

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

South Brunswick Township on the 1888 USGS mapSouth Brunswick Township on the 1894 USGS mapSouth Brunswick Township on the 1906 USGS mapSouth Brunswick Township on the 1947 USGS mapSouth Brunswick Township on the 1954 USGS mapSouth Brunswick Township on the 1970 USGS mapSouth Brunswick Township on the 1981 USGS map1888Princeton 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 South Brunswick Township.

On the National Register

4 listings protect 40 historic buildings

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

places listed
4
National Historic Landmarks
0
none yet
historic buildings protected
40
each building in a district counts
first listed
1979
Gulick House
Gulick HouseWithington EstateKing's Highway Historic DistrictPrinceton Nurseries Historic District
BuildingsDistricts
Gulick HouseBuilding
Withington EstateBuilding
King's Highway Historic DistrictDistrict
Princeton Nurseries Historic DistrictDistrict

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

Stories next door

History across the town line

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

North Brunswick Township1 historic placeB−East Brunswick Township2 historic placesB−Plainsboro TownshipIts storyCFranklin Township10 historic placesBDeansIts storynot graded: under 1,000 residents or part of its townPrinceton MeadowsIts storynot graded: under 1,000 residents or part of its townCranbury Township2 historic placesB+Heathcote1 historic placenot graded: under 1,000 residents or part of its townMonmouth JunctionIts storynot graded: under 1,000 residents or part of its townEast Rocky Hill2 historic placesnot graded: under 1,000 residents or part of its town

Questions about South Brunswick Township’s history

What year was South Brunswick Township founded?

In 1778, according to Wikidata. South Brunswick Township’s post office opened in 1810, and the first U.S. census counted 1,817 people here in 1790.

How does South Brunswick Township rank for history?

South Brunswick Township is more historic than 62% of U.S. towns, #240 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 South Brunswick Township?

4 listings: 2 buildings, among them the Gulick House (listed 1979, the first), and 2 historic districts, the King's Highway Historic District and the Princeton Nurseries Historic District, with 28 contributing buildings. 40 historic buildings in all.

How old are the homes in South Brunswick Township?

2% of South Brunswick Township’s homes were built before 1940 (Census estimate, ±1.1 points), against a typical 15% for a New Jersey town; the median home was built in 1987.

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 (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.