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Mount Holly, New Jersey
Township
John Woolman Memorial in Mount Holly
John Woolman Memorial in Mount Holly
Official seal of Mount Holly, New Jersey
Seal
Location of Mount Holly in Burlington County highlighted in red (right). Inset map: Location of Burlington County in New Jersey highlighted in red (left).
Location of Mount Holly in Burlington County highlighted in red (right). Inset map: Location of Burlington County in New Jersey highlighted in red (left).
Census Bureau map of Mount Holly Township, New Jersey
Census Bureau map of Mount Holly Township, New Jersey
Mount Holly, New Jersey is located in Burlington County, New Jersey
Mount Holly, New Jersey
Mount Holly, New Jersey
Location in Burlington County, New Jersey
Mount Holly, New Jersey is located in New Jersey
Mount Holly, New Jersey
Mount Holly, New Jersey
Location in New Jersey
Mount Holly, New Jersey is located in the United States
Mount Holly, New Jersey
Mount Holly, New Jersey
Location in the United States
Country  United States
State  New Jersey
County Burlington
Settled 1677
Formed November 6, 1688 as Northampton
Incorporated February 21, 1798
Renamed November 6, 1931 as Mount Holly
Named for Hill covered with holly trees
Government
 • Type Faulkner Act (council–manager)
 • Body Township Council
Area
 • Total 2.87 sq mi (7.43 km2)
 • Land 2.82 sq mi (7.31 km2)
 • Water 0.05 sq mi (0.12 km2)  1.60%
Area rank 345th of 565 in state
31st of 40 in county
Elevation
36 ft (11 m)
Population
 (2020)
 • Total 9,981
 • Estimate 
(2023)
10,151
 • Rank 245th of 565 in state
15th of 40 in county
 • Density 3,534.3/sq mi (1,364.6/km2)
 • Density rank 192nd of 565 in state
9th of 40 in county
Time zone UTC−05:00 (Eastern (EST))
 • Summer (DST) UTC−04:00 (Eastern (EDT))
ZIP Code
08060
Area code(s) 609
FIPS code 3400548900
GNIS feature ID 0882104

Mount Holly is a township in Burlington County, New Jersey. It is the main town, or "county seat," for Burlington County. Mount Holly is located just east of Philadelphia, a large city in the United States.

In 2020, about 9,981 people lived in Mount Holly. The town is part of a larger area that includes Philadelphia, Reading, and Camden.

Mount Holly was first called Northampton when it was formed in 1688. It became one of New Jersey's first 104 townships in 1798. Over the years, parts of Northampton were used to create other nearby towns. The town was officially renamed Mount Holly in 1931. It got its name from hills in the area that were covered with holly trees.

The National Weather Service has a weather office named after Mount Holly. This office helps forecast weather for most of New Jersey, parts of Pennsylvania, all of Delaware, and eastern Maryland. However, the office is actually located in the next town over, Westampton.

Mount Holly's History

Early Settlement and Mills

The first European settlers came to what is now Mount Holly in 1677. Walter Reeves bought land from the Lenape (Delaware) Native Americans. He built a dam on Rancocas Creek to power a gristmill (for grinding grain) and a sawmill. More settlers came to the area after the mills were built. They constructed homes and shops on streets like High, Church, White, Mill, and Pine. One of the oldest homes, the Shinn Curtis Log House, was built in 1712. By 1800, there were over 250 homes.

Today, the mills are gone, but the raceway (the channel that carried water to the mills) still flows. This raceway was important for fish like herring, which would swim upstream each spring. This provided fresh fish for the community. The land where the mills once stood is now a park called Mill Dam Park.

Revolutionary War Events

In December 1776, during the American Revolutionary War, American soldiers led by Colonel Samuel Griffin came to Mount Holly. They set up cannons on Iron Works Hill. The Hessian commanders (German soldiers fighting for the British) were told that 3,000 American troops were in Mount Holly.

By December 23, 1776, about 2,000 Hessians moved to Mount Holly. They had a three-day battle with the Americans, known as the Battle of Iron Works Hill. The Americans then secretly left during the night.

This battle was important because it drew many Hessian troops to Mount Holly. This helped George Washington and the Continental Army succeed in the Battle of Trenton the next day. The victory at Trenton greatly improved the American soldiers' spirits after a tough period.

Growth in the 1800s

In 1793, the state decided to move the main office of Burlington County from Burlington City to Mount Holly. This was approved by voters in 1796. Important buildings were then built, including the courthouse in 1796 and the county prison around 1819. The Burlington County Prison was designed by Robert Mills, a famous architect who also designed the Washington Monument. Mount Holly has many old buildings from the 1700s and 1800s, most of which are part of the Mount Holly Historic District.

In 1849, the Burlington and Mount Holly Railroad was built. This connected Mount Holly to communities along the Delaware River and to Philadelphia. This railroad helped industries grow in the area. Another railroad, the Camden and Mount Holly Railroad, built a station in town about 20 years later.

Mount Holly in the 1900s

A trolley station was built in 1904, allowing people to travel to nearby towns like Burlington City and Moorestown. New town buildings were also constructed in the 1900s. These included the Town Hall (1930) and the U.S. Post Office (1935). Both were built with money from the government during the Great Depression, as part of President Franklin D. Roosevelt's Works Progress Administration projects.

In the late 1950s, Mount Holly faced economic challenges. Many factory jobs were lost as mills and dye factories closed down. For a while, jobs at nearby military bases, Fort Dix and McGuire Air Force Base, helped. However, after the Vietnam War, these bases became smaller, and more jobs were lost. Also, many shopping malls opened in the Philadelphia area, which hurt local businesses in Mount Holly.

Mount Holly Historic District

Mount Holly Historic District
Downtown Mount Holly, NJ, High Street.jpg
Downtown Mount Holly along High Street
Location Roughly bounded by Prospect, Elm and Top-E-Toy Streets, railroad tracks, Madison and Clifton Avenues
Area 260 acres (110 ha)
Architectural style Late Victorian, Georgian, Gothic Revival
NRHP reference No. 73001084
Significant dates
Added to NRHP February 20, 1973

The Mount Holly Historic District is a special area in downtown Mount Holly. It covers about 260 acres and has many important old buildings. This district was added to the National Register of Historic Places in 1973. It is important for its architecture, history of education, government, and transportation.

The district includes 39 historic buildings. The Old Schoolhouse, also known as the Brainerd School, was built in 1759. The Burlington County Prison is also part of the district and was named a National Historic Landmark in 1986. The Burlington County Courthouse was built in 1796.

Mount Holly's Geography

Mount Holly covers about 2.87 square miles. Most of this area is land, with a small amount of water. The town shares borders with other towns in Burlington County. These include Eastampton Township, Hainesport Township, Lumberton, and Westampton.

Mount Holly's Climate

Climate data for South Jersey Regional Airport, 1991–2020 normals, extremes 1997–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 72
(22)
77
(25)
88
(31)
95
(35)
96
(36)
99
(37)
104
(40)
100
(38)
98
(37)
94
(34)
80
(27)
74
(23)
104
(40)
Mean maximum °F (°C) 64.4
(18.0)
63.4
(17.4)
74.3
(23.5)
84.5
(29.2)
89.5
(31.9)
94.1
(34.5)
97.1
(36.2)
93.6
(34.2)
91.1
(32.8)
82.7
(28.2)
72.6
(22.6)
66.3
(19.1)
97.7
(36.5)
Mean daily maximum °F (°C) 41.0
(5.0)
44.0
(6.7)
52.0
(11.1)
63.5
(17.5)
73.3
(22.9)
81.9
(27.7)
87.0
(30.6)
84.8
(29.3)
77.9
(25.5)
66.3
(19.1)
55.6
(13.1)
45.6
(7.6)
64.4
(18.0)
Daily mean °F (°C) 32.8
(0.4)
34.8
(1.6)
42.5
(5.8)
52.6
(11.4)
62.2
(16.8)
71.5
(21.9)
76.6
(24.8)
74.4
(23.6)
67.2
(19.6)
55.9
(13.3)
45.7
(7.6)
37.4
(3.0)
54.5
(12.5)
Mean daily minimum °F (°C) 24.6
(−4.1)
25.7
(−3.5)
32.9
(0.5)
41.6
(5.3)
51.1
(10.6)
61.0
(16.1)
66.2
(19.0)
64.0
(17.8)
56.5
(13.6)
45.6
(7.6)
35.9
(2.2)
29.1
(−1.6)
44.5
(6.9)
Mean minimum °F (°C) 7.9
(−13.4)
10.6
(−11.9)
18.3
(−7.6)
28.7
(−1.8)
37.4
(3.0)
48.0
(8.9)
55.9
(13.3)
52.9
(11.6)
43.6
(6.4)
30.8
(−0.7)
21.4
(−5.9)
16.5
(−8.6)
5.9
(−14.5)
Record low °F (°C) −3
(−19)
−2
(−19)
2
(−17)
22
(−6)
34
(1)
42
(6)
43
(6)
44
(7)
37
(3)
27
(−3)
13
(−11)
7
(−14)
−3
(−19)
Average precipitation inches (mm) 2.97
(75)
2.57
(65)
3.83
(97)
3.37
(86)
2.95
(75)
3.73
(95)
5.19
(132)
4.40
(112)
3.39
(86)
3.67
(93)
2.98
(76)
3.74
(95)
42.79
(1,087)
Average precipitation days (≥ 0.01 in) 9.9 10.4 11.5 10.7 12.1 11.7 11.2 11.3 11.1 11.0 8.9 10.5 130.3
Source: NOAA (mean maxima/minima 2006–2020)

Mount Holly's Population

Historical population
Census Pop.
1800 3,559
1810 4,171 * 17.2%
1820 4,833 15.9%
1830 5,516 * 14.1%
1840 6,813 23.5%
1850 3,031 * −55.5%
1860 3,322 9.6%
1870 4,018 * 21.0%
1880 4,630 15.2%
1890 5,376 16.1%
1900 5,168 −3.9%
1910 5,652 9.4%
1920 5,901 4.4%
1930 6,573 11.4%
1940 6,892 4.9%
1950 8,206 19.1%
1960 13,271 61.7%
1970 12,713 −4.2%
1980 10,818 −14.9%
1990 10,639 −1.7%
2000 10,728 0.8%
2010 9,536 −11.1%
2020 9,981 4.7%
2023 (est.) 10,151 6.4%
Population sources: 1800–2000
1800–1920 1840 1850–1870
1850 1870 1880–1890
1890–1910 1910–1930
1940–2000 2000
2010 2020
* = Lost territory in previous decade.

Population in 2010

The 2010 United States census counted 9,536 people living in Mount Holly. There were 3,456 households and 2,264 families. The population density was about 3,398 people per square mile.

About 65.6% of the people were White, and 23.1% were Black or African American. About 12.7% of the population was Hispanic or Latino.

About 23.5% of the people were under 18 years old. About 11.1% were 65 years or older. The average age was 36.3 years.

Mount Holly's Economy

Mount Holly is part of an Urban Enterprise Zone (UEZ). This is a special program in New Jersey that helps towns grow their economy. Mount Holly joined the program in 1994.

Being a UEZ means that shoppers can pay a lower sales tax of 3.3125% at certain stores. This is half of the regular state tax rate. This program helps create jobs and encourages businesses to invest in the town. Mount Holly's UEZ status will last until March 2026.

Education in Mount Holly

Local Schools

Students in pre-kindergarten through eighth grade attend schools run by the Mount Holly Township Public Schools. In the 2021–22 school year, about 1,079 students were enrolled across three schools. There was about one teacher for every 10 students.

The schools are:

  • John Brainerd School (PreK-1st grade)
  • Gertrude C. Folwell School (2nd-4th grade)
  • F. W. Holbein Middle School (6th-8th grade)

High School Education

For ninth through twelfth grades, students go to Rancocas Valley Regional High School. This high school is located in Mount Holly. It also serves students from four other nearby towns: Eastampton Township, Hainesport Township, Lumberton, and Westampton.

In the 2021–22 school year, the high school had about 2,048 students. There was about one teacher for every 14 students. The school board has nine members who are elected by voters. Mount Holly has two seats on this board.

Vocational and Private Schools

Students from Mount Holly can also attend the Burlington County Institute of Technology. This is a public school district for the entire county. It offers vocational and technical training for high school and adult students. It has campuses in Medford and Westampton.

Sacred Heart School is a Catholic school in Mount Holly. It serves students from PreK through 8th grade.

Transportation in Mount Holly

2018-05-22 18 30 43 View east along New Jersey State Route 38 just west of Burlington County Route 612 (Pine Street-Eayrestown Road) in Mount Holly Township, Burlington County, New Jersey
Route 38 in Mount Holly

Mount Holly has many roads. The town maintains about 29 miles of roads. Burlington County maintains about 8 miles, and the state maintains less than 1 mile.

The main state highway that goes through Mount Holly is Route 38. Other important county roads include County Route 537 and County Route 541.

You can reach Mount Holly from major highways like the New Jersey Turnpike (Exit 5) and Interstate 295 (Exit 47).

NJ Transit provides bus service to Mount Holly. You can take buses to Philadelphia or to other nearby towns like Camden and Burlington.

Points of Interest in Mount Holly

Thomas Shinn Home Mount Holly
Thomas Shinn Home, built in 1712
  • Burlington County Courthouse: Built in 1796, this historic building serves as the county's main court.
  • Mount Holly Cemetery: A historic cemetery in the town.
  • Shinn Curtis Log House: This house was built in 1712 using hand-hewn logs. It was discovered and restored in 1967.
  • Burlington County Prison: Opened in 1819, this prison was the oldest continuously running prison in the country when it closed in 1965.
  • First Presbyterian Church: A historic church in Mount Holly.
  • St. Andrew's Episcopal Church: Another historic church in the town.
  • Friends Meeting House: A meeting place for the Quaker community.
  • Brainerd Schoolhouse: This one-room schoolhouse was built in 1759. It operated as a school for almost 100 years.
  • Relief Fire Company No. 1: Home to the oldest continuously operating volunteer fire company in the United States.
  • Thomas Budd House: The third-oldest house in the township, built in 1744.
  • Stephen Girard House: The home of Stephen Girard, a famous merchant and banker, who lived here in the late 1700s.
  • John Woolman Memorial: Built in the late 1700s on land that once belonged to John Woolman, a famous Quaker preacher.

Notable People from Mount Holly

See also (related category): People from Mount Holly, New Jersey

Many interesting people have been born in, lived in, or are connected to Mount Holly:

See also

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