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Griggstown, New Jersey
Census-designated place
Country  United States
State  New Jersey
County Somerset
Township Franklin
Named for Griggs family
 • Total 2.519 sq mi (6.524 km2)
 • Land 2.447 sq mi (6.338 km2)
 • Water 0.072 sq mi (0.187 km2)  2.86%
Elevation 102 ft (31 m)
Population (Census 2010)
 • Total 819
 • Density 334.7/sq mi (129.2/km2)
Time zone Eastern (EST) (UTC-5)
 • Summer (DST) Eastern (EDT) (UTC-4)
Area code(s) 609, 732/848 and 908
FIPS code 3428470
GNIS feature ID 02583995
Griggstown Bridge over Millstone River
The Griggstown Causeway over the Millstone River

Griggstown is an unincorporated community and census-designated place (CDP) located within Franklin Township, in Somerset County, New Jersey, United States. As of the 2010 United States Census, the CDP's population was 819. The area was first settled around 1733.


Many of the earliest European settlers of the area came from Gravesend, Brooklyn. Among these settlers were four sons born to John and Elizabeth Griggs: Benjamin (b. 1690), Daniel, Samuel, and Thomas. Griggstown was named after Benjamin Griggs, who established a grist mill on the Millstone River that served as a meeting place for the European farmers of the area and as such the center of the community that would become Griggstown.


According to the United States Census Bureau, the CDP had a total area of 2.519 square miles (6.524 km2), including 2.447 square miles (6.338 km2) of land and 0.072 square miles (0.187 km2) of water (2.86%).

Griggstown is adjacent to the communities of Kingston, Rocky Hill, Montgomery Township, Kendall Park (in South Brunswick Township), and Franklin Park. The closest city of note is Princeton, New Jersey. The Millstone River and the Delaware and Raritan Canal both flow through Griggstown.

Griggstown is accessible via Route 27 (Lincoln Highway), County Route 518 and U.S. Route 206. The major roads in Griggstown are Bunker Hill Road and Canal Road. There is also a small access road with a one-lane bridge(at one time referred to as "twin bridges") known as the Griggstown Causeway that offers access to and from Griggstown as well. The D&R Canal State Park is located on this road in conjunction with the canal side tow-path.

Selected sites

  • Reformed Church of Griggstown
  • Griggstown Quail Farm
  • Griggstown Cemetery where nineteen Irish canal workers who died of cholera in an 1832-1833 epidemic are buried.
  • Griggstown Volunteer Fire Company
  • Griggstown Lock of the Delaware and Raritan Canal
  • Griggstown Mine
  • Norseville
  • Sunset Hill Garden


Historical population
Census Pop.
2010 819
Population sources: 2010

Census 2010

As of the census of 2010, there were 819 people, 346 households, and 230 families residing in the CDP. The population density was 334.7 per square mile (129.2/km2). There were 364 housing units at an average density of 148.8 per square mile (57.5/km2)*. The racial makeup of the CDP was 86.81% (711) White, 2.81% (23) Black or African American, 0.24% (2) Native American, 4.03% (33) Asian, 0.00% (0) Pacific Islander, 2.56% (21) from other races, and 3.54% (29) from two or more races. [[Hispanic (U.S. Census)|Hispanic or Latino of any race were 6.23% (51) of the population.

There were 346 households out of which 25.7% had children under the age of 18 living with them, 57.2% were married couples living together, 6.6% had a female householder with no husband present, and 33.5% were non-families. 27.2% of all households were made up of individuals, and 11.6% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.92.

In the CDP, the population was spread out with 18.1% under the age of 18, 4.6% from 18 to 24, 27.5% from 25 to 44, 32.4% from 45 to 64, and 17.5% who were 65 years of age or older. The median age was 44.9 years. For every 100 females there were 101.7 males. For every 100 females ages 18 and old there were 101.5 males.

National Register of Historic Places

Griggstown Historic District
U.S. Historic district
Bridge Tender's House and Bridge, Griggstown, NJ.jpg
Bridge tender's house and bridge over the Delaware and Raritan Canal leading to Griggstown
Location Roughly Canal Road from Old Georgetown Road to Ten Mile Run, Griggstown, New Jersey
Area 861 acres (348 ha)
NRHP reference No. 84002798
Added to NRHP August 2, 1984

The Griggstown Historic District was added to the National Register of Historic Places in 1984. It is District #84002798.

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