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Rocky Hill, New Jersey
Borough
Dutch Reformed Church, built 1856, at the heart of the Rocky Hill Historic District
Dutch Reformed Church, built 1856, at the heart of the Rocky Hill Historic District
Official seal of Rocky Hill, New Jersey
Seal
Location of Rocky Hill in Somerset County highlighted in yellow (right). Inset map: Location of Somerset County in New Jersey highlighted in black (left).
Location of Rocky Hill in Somerset County highlighted in yellow (right). Inset map: Location of Somerset County in New Jersey highlighted in black (left).
Census Bureau map of Rocky Hill, New Jersey
Census Bureau map of Rocky Hill, New Jersey
Rocky Hill, New Jersey is located in Somerset County, New Jersey
Rocky Hill, New Jersey
Rocky Hill, New Jersey
Location in Somerset County, New Jersey
Rocky Hill, New Jersey is located in New Jersey
Rocky Hill, New Jersey
Rocky Hill, New Jersey
Location in New Jersey
Rocky Hill, New Jersey is located in the United States
Rocky Hill, New Jersey
Rocky Hill, New Jersey
Location in the United States
Country  United States
State  New Jersey
County Somerset
Incorporated December 18, 1889
Government
 • Type Borough
 • Body Borough Council
Area
 • Total 0.61 sq mi (1.59 km2)
 • Land 0.61 sq mi (1.58 km2)
 • Water 0.00 sq mi (0.01 km2)  0.49%
Area rank 539th of 565 in state
21st of 21 in county
Elevation
108 ft (33 m)
Population
 (2020)
 • Total 743
 • Estimate 
(2023)
740
 • Rank 545th of 565 in state
20th of 21 in county
 • Density 1,216.4/sq mi (469.7/km2)
 • Density rank 358th of 565 in state
10th of 21 in county
Time zone UTC−05:00 (Eastern (EST))
 • Summer (DST) UTC−04:00 (Eastern (EDT))
ZIP Code
08553
Area code(s) 609 Exchanges: 252, 279, 430, 921, 924
FIPS code 3403564320
GNIS feature ID 0885376

Rocky Hill is a borough in Somerset County, in the U.S. state of New Jersey. Named for the Rocky Hill Ridge, this historic village is nestled within the heart of the Raritan Valley region, located alongside the course of the Millstone River.

As of the 2020 United States census, the borough's population was 743, an increase of 61 (+8.9%) from the 2010 census count of 682, which in turn reflected an increase of 20 (+3.0%) from the 662 counted in the 2000 census.

History

The earliest European settlement in the area began after John Harrison negotiated the purchase of land in 1701 from the Lenape Native Americans. Speaking an Algonquian language, they had occupied the area for centuries prior to the arrival of European settlers. Bands of Lenape lived along the coast from Connecticut through New York and New Jersey and south to Maryland and Delaware.

In 1783, during the American Revolutionary War, General George Washington camped at Rockingham, the house owned by the Berrien family. He passed through the area again in 1789 on his way to New York City for his inauguration as President of the United States. Before roads were improved, it was known as the Devil's Featherbed because it was difficult to travel the rocky terrain by horse and wagon.

Rocky Hill was incorporated as a borough by an act of the New Jersey Legislature on December 18, 1889, from portions of Montgomery Township. This was based on the results of a referendum held four days earlier.

Geography

According to the United States Census Bureau, the borough had a total area of 0.61 square miles (1.59 km2), including 0.61 square miles (1.58 km2) of land and <0.01 square miles (0.01 km2) of water (0.49%). A large portion of Rocky Hill is taken up by Van Horne Park.

The borough borders the Somerset County municipalities of Franklin Township and Montgomery Township.

Ecology

According to the A. W. Kuchler U.S. potential natural vegetation types, Rocky Hill would have an Appalachian Oak (104) vegetation type with an Eastern Hardwood Forest (25) vegetation form.

Demographics

Historical population
Census Pop.
1900 354
1910 502 41.8%
1920 305 −39.2%
1930 512 67.9%
1940 404 −21.1%
1950 537 32.9%
1960 528 −1.7%
1970 917 73.7%
1980 717 −21.8%
1990 693 −3.3%
2000 662 −4.5%
2010 682 3.0%
2020 743 8.9%
2023 (est.) 740 8.5%
Population sources: 1900–1920
1900–1910 1910–1930
1940–2000 2000
2010 2020

2010 census

The 2010 United States census counted 682 people, 280 households, and 189 families in the borough. The population density was 1,101.4 per square mile (425.3/km2). There were 292 housing units at an average density of 471.6 per square mile (182.1/km2). The racial makeup was 91.64% (625) White, 1.47% (10) Black or African American, 0.00% (0) Native American, 2.35% (16) Asian, 0.00% (0) Pacific Islander, 1.47% (10) from other races, and 3.08% (21) from two or more races. Hispanic or Latino of any race were 4.84% (33) of the population.

Of the 280 households, 29.3% had children under the age of 18; 56.4% were married couples living together; 8.6% had a female householder with no husband present and 32.5% were non-families. Of all households, 26.4% were made up of individuals and 8.2% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.95.

23.2% of the population were under the age of 18, 4.7% from 18 to 24, 21.3% from 25 to 44, 32.4% from 45 to 64, and 18.5% who were 65 years of age or older. The median age was 45.9 years. For every 100 females, the population had 103.0 males. For every 100 females ages 18 and older there were 91.2 males.

The Census Bureau's 2006–2010 American Community Survey showed that (in 2010 inflation-adjusted dollars) median household income was $88,929 (with a margin of error of +/− $14,448) and the median family income was $102,917 (+/− $21,668). Males had a median income of $88,333 (+/− $16,491) versus $57,083 (+/− $7,607) for females. The per capita income for the borough was $47,582 (+/− $7,276). About none of families and 3.3% of the population were below the poverty line, including none of those under age 18 and none of those age 65 or over.

Education

The Montgomery Township School District is a comprehensive public school district, consisting of five school facilities in Montgomery Township, that serves students in pre-kindergarten through twelfth grade from both Montgomery Township and Rocky Hill. As of the 2020–21 school year, the district, comprised of five schools, had an enrollment of 4,498 students and 403.1 classroom teachers (on an FTE basis), for a student–teacher ratio of 11.2:1. Schools in the district (with 2020–21 enrollment data from the National Center for Education Statistics) are Orchard Hill Elementary School with 727 students in grades Pre-K–2, Village Elementary School with 634 students in grades 3–4, Montgomery Lower Middle School with 743 students in grades 5–6, Montgomery Upper Middle School with 776 students in grades 7–8 and Montgomery High School with 1,577 students in grades 9–12. Rocky Hill had been a non-operating school district that had sent all of its students to the Montgomery Township School District, as part of a sending/receiving relationship. With the termination of the non-operating district, Rocky Hill operates as part of the Montgomery district.

Rocky Hill is home to the Rocky Hill Cooperative Nursery School, which was established in 1957.

Historic district

Rocky Hill Historic District is a 176-acre (71 ha) historic district encompassing the historic core of the borough of Rocky Hill in Somerset County, New Jersey. The village is approximately one square mile and traces its beginnings to the 18th century, when George Washington stayed at Rockingham, and its major growth period to the second quarter of the 19th century, as a stop between Princeton and New Brunswick. The district encompasses a total of 145 buildings, most notable of being the Dutch Reformed Church that was built in 1856 in the Carpenter Gothic style. The district was added to the National Register of Historic Places on July 8, 1982, for its significance in archeology, architecture and commerce. The historic villages of Kingston and Harlingen are also located relatively close by to the village of Rocky Hill.

Infrastructure

Emergency services

Millstone River flooded at Rocky Hill
During Hurricane Ida, the Millstone River, and much of the Raritan Basin at large, suffered from massive flooding. Pictured here, is the County Route 518 bridge connecting Rocky Hill and Franklin Township overflowed by the floodwaters from the Millstone River, with abandoned cars submerged.

Police coverage is provided by the New Jersey State Police, from the Kingwood Station in Kingwood Township in Hunterdon County.

Fire protection is offered by the Rocky Hill Hook & Ladder Co #1/Station 53 Fire.

Emergency Medical Services are provided by the Rocky Hill First Aid and Rescue Squad (53 Rescue), which had been temporarily decommissioned as of March 2011 by Resolution 2011–33. An aggressive recruitment and training program under new operational and executive leadership led to Rocky Hill First and Rescue Squad returning to full primary EMS coverage in October 2012, covering all shifts on a scramble basis and offering mutual aid to squads based in Franklin Township, Kingston, and Princeton.

Transportation

2018-05-29 14 08 51 View east along Somerset County Route 518 (Washington Street) just west of Somerset County Route 605 (Crescent Avenue) in Rocky Hill, Somerset County, New Jersey
County Route 518 at the intersection with County Route 605 in Rocky Hill

Roads and highways

As of May 2010, the borough had a total of 4.38 miles (7.05 km) of roadways, of which 2.88 miles (4.63 km) were maintained by the municipality and 1.50 miles (2.41 km) by Somerset County.

The major road that passes through is County Route 518, which runs for 1 mile (1.6 km) through the borough and provides access to U.S. Route 206 to the west and Route 27 to the east. The nearest limited access roads are at least 25 minutes away, such as Interstate 287, Interstate 295 and the New Jersey Turnpike (Interstate 95).

Airport

Princeton Airport, serving the neighboring borough of Princeton, is located in Montgomery Township, just west of Rocky Hill.

Healthcare

Penn Medicine Princeton Medical Center is a 355-bed regional non-profit, tertiary and academic medical center located in nearby Plainsboro Township. The hospital services the greater Princeton region in central New Jersey. It is owned by the Penn Medicine Health System and is the only such hospital in the state of New Jersey.

Other nearby regional hospitals and healthcare networks that are accessible to Rocky Hill, include the Somerville division and the New Brunswick division of Robert Wood Johnson University Hospital (RWJUH), along with Saint Peter's University Hospital, also in New Brunswick.

Notable people

See also (related category): People from Rocky Hill, New Jersey

People who were born in, residents of, or otherwise closely associated with Rocky Hill include:

  • John Berrien (1711–1772), justice of the New Jersey Supreme Court and trustee of the College of New Jersey, now Princeton University
  • John Berrien Jr. (1759–1815), army officer during the Revolutionary War
  • John Macpherson Berrien (1781–1856), served as United States Attorney General and represented Georgia in the United States Senate
  • Anthony Cassar (born 1996), freestyle wrestler who was the NCAA Division I champion
  • Tom Malinowski (born 1965), diplomat and politician who represents New Jersey's 7th congressional district
  • Stephen F. Voorhees (1878–1965), architect in practice in New York City from 1910 until 1959, who was president of the American Institute of Architects from 1935 to 1937.
  • George Washington, stayed in Rockingham, the house of the Berrien family, in the late summer of 1783, while Congress was in session in Princeton

See also

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