Union County is a
county
A county is a geographic region of a country used for administrative or other purposes Chambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...
in the northern part of the
U.S. state of
New Jersey
New Jersey is a U.S. state, state in the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. It is bordered on the north and east by the state of New York (state), New York; on the ea ...
. As of the
2020 U.S. census, the county's population was 575,345, making it the seventh-most populous of New Jersey's 21 counties. Its
county seat
A county seat is an administrative center, seat of government, or capital city of a county or civil parish. The term is in use in Canada, China, Hungary, Romania, Taiwan, and the United States. The equivalent term shire town is used in the US ...
is
Elizabeth.
[New Jersey County Map]
New Jersey Department of State
The secretary of state of New Jersey oversees the Department of State, which is one of the original state offices. The Secretary is responsible for overseeing artistic, cultural, and historical programs within the U.S. state of New Jersey, as we ...
. Accessed July 10, 2017.
In 2015, the county had a
per capita personal income of $60,089, the seventh-highest in New Jersey and ranked 152nd of 3,113 counties in the United States. The
Bureau of Economic Analysis ranked the county as having the 119th-highest
per capita income
Per capita income (PCI) or total income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. It is calculated by dividing the area's total income by its total population.
Per capita i ...
of all 3,113 counties in the United States (and the eighth-highest in New Jersey) in 2009. A study by Forbes.com determined that Union County pays the second-highest property taxes of all U.S. counties, based on 2007 data.
With a population density of 4,955 people per square mile (water excluded), Union County was the 15th-most densely populated county in the United States as of the 2010 Census, and third-densest in New Jersey, behind
Hudson County (ranked 6th nationwide at 9,754 per square mile) and
Essex County (ranked 11th at 6,126). The county is located in the
North Jersey region.
History
Etymology
As the last county created in New Jersey in 1857, it was named after the
Union threatened by slavery dispute during this period, which would erupt into civil war in 1861.
History
All of present-day Union County was part of the
Elizabethtown Tract, which was purchased in 1664, by English colonists from the
Lenape
The Lenape (, , or Lenape , del, Lënapeyok) also called the Leni Lenape, Lenni Lenape and Delaware people, are an indigenous peoples of the Northeastern Woodlands, who live in the United States and Canada. Their historical territory includ ...
Native Americans that lived in the area of present-day
Elizabeth, New Jersey. Union County was formed on March 19, 1857, from portions of Essex County; it was the last of New Jersey's 21 counties to be established.
[Snyder, John P]
''The Story of New Jersey's Civil Boundaries: 1606–1968''
Bureau of Geology and Topography; Trenton, New Jersey; 1969. p. 237. Accessed January 21, 2013.
Many historic places and structures are to be found in the county, including on the
National Register of Historic Places listings in Union County, New Jersey.
Every fall, Union County holds its annual "Four Centuries in a Weekend" festival for the public, celebrating and touring historic buildings, museums and sites in the county.
Geography
According to the 2010 Census, the county had a total area of , including of land (97.6%) and of water (2.4%).
[Census 2010 U.S. Gazetteer Files: New Jersey Counties]
United States Census Bureau
The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy
An economy is an area of th ...
. Accessed March 22, 2017.
Much of Union County is relatively flat and low-lying. Only in the northwestern corner does any significant relief appear as the Watchung Mountains cross the county. It is there that highest elevations, two areas approximately above sea level, are found in Berkeley Heights. The lowest elevation is sea level along the eastern shore at the Arthur Kill.
Rivers, lakes and streams
* Arthur Kill
* Rahway River
* Elizabeth River
* Nomahegan Brook
* Marshes Creek
*Morses Creek
The Morses Creek, is a perennial stream of the North-East Murray catchment of the Murray-Darling basin, is located in the alpine region of Victoria, Australia. It flows from the northern slopes of the Mount Buffalo National Park in the Australi ...
*Peach Orchard Brook
The peach (''Prunus persica'') is a deciduous tree first domesticated and cultivated in Zhejiang province of Eastern China. It bears edible juicy fruits with various characteristics, most called peaches and others (the glossy-skinned, non-fu ...
*Robinson's Brook Robinsons or Robinson's may refer to:
Businesses Department stores
* Robinsons Malls, shopping mall and retail operator in the Philippines
* Robinsons, former department store chain owned by Robinson & Co. in Singapore and Malaysia
* Robinson Dep ...
*Robinson's Branch Reservoir
The Robinson's Branch Reservoir is a decommissioned water reservoir in Clark, New Jersey. It is the largest body of water in Union County.
Other names for the reservoir include the "Clark Reservoir" and the "Middlesex Reservoir," after its fo ...
Climate and weather
In recent years, average temperatures in the county seat of Elizabeth have ranged from a low of in January to a high of in July, although a record low of was recorded in February 1934 and a record high of was recorded in July 1993. Average monthly precipitation ranged from in February to in July. In Berkeley Heights average monthly temperatures range from 29.4 °F in January to 74.7 °F in July. The climate in the county is hot-summer humid continental (''Dfa'') except east of approximately the New Jersey Turnpike where a humid subtropical climate
A humid subtropical climate is a zone of climate characterized by hot and humid summers, and cool to mild winters. These climates normally lie on the southeast side of all continents (except Antarctica), generally between latitudes 25° and 40� ...
(''Cfa'') exists.
Parks and recreation
County parks are maintained and operated by the Union County Department of Parks and Recreation, the successor agency to the Union County Park Commission.
County-run parks
*Ash Brook Reservation, Scotch Plains
* Black Brook Park, Kenilworth
*Briant Park, Summit[Map of Hidden Valley Park and Houdaille Quarry](_blank)
Union County, New Jersey. Accessed October 23, 2017.
*Brookside Park, Scotch Plains
*Cedar Brook Park
Cedar Brook Park is a county park situated mostly in Plainfield, New Jersey, Plainfield in Union County, New Jersey, Union County, within the U.S. state of New Jersey, with a smaller portion of the park extending into South Plainfield, New Jersey ...
, Plainfield
**Home to the Shakespeare Garden.
*Echo Lake Park
Echo Lake Park is a park located along the Mount Evans Scenic Byway about west of Denver, Colorado. The park provides a stone shelter with picnic tables and barbecue grills on one end of the lake, and the 1926 Echo Lake Lodge (gift shop and r ...
, Westfield and Mountainside
**The privately owned Echo Lake Country Club
Echo Lake Country Club is a private, member-owned country club located in Westfield, New Jersey. The club was founded in 1899, and the golf course was designed by Donald Ross in 1913.
History
The club was founded as the Cranford Golf Club in ...
donated the parkland for this park in the 1920s. The name arises from the echo heard off the high bluff on the far side of the lake. Echo Lake itself was created by damning when mills were established on Nomahegan Brook, a tributary of the Rahway River. The Great Minisink Trail
Great may refer to: Descriptions or measurements
* Great, a relative measurement in physical space, see Size
* Greatness, being divine, majestic, superior, majestic, or transcendent
People
* List of people known as "the Great"
*Artel Great (born ...
passed by Echo Lake Park.
* Elizabeth River Parkway
*Esposito Park, Clark
**Features a 1/2-mile path with exercise equipment and a skate park
*Green Brook Park, Plainfield (partial)
*Hidden Valley Park, Springfield and Summit
**Eastern border is adjacent to the now-closed Houdaille Quarry.
*Houdaille Quarry
The Houdaille Quarry is a former rock quarry located in Springfield Township, Union County, New Jersey bordering the northern edge of the Baltusrol Golf Club.
Bisected by Interstate 78, it is directly east of the Watchung Reservation and tou ...
, Springfield (closed to public)
*Kawameeh Park, Union
*Lenape Park Lenape Park is a 450-acre wildlife reserve and park that is part of the Rahway River Parkway in Union County, New Jersey. The park is located in four towns: Westfield, Springfield, Kenilworth, and Cranford.
It is linked by a crosswalk to Nomah ...
, Cranford, Westfield, and Kenilworth
**In the 1930s, workers digging Lenape Lake found mastodon bones here.
*Madison Avenue Park, Rahway
**Adjacent to Rahway 7th and 8th Grade Academy
* Clark Reservoir Recreation Area
*Mattano Park, Elizabeth
**Named for a Lenape
The Lenape (, , or Lenape , del, Lënapeyok) also called the Leni Lenape, Lenni Lenape and Delaware people, are an indigenous peoples of the Northeastern Woodlands, who live in the United States and Canada. Their historical territory includ ...
tribal leader, whose name was recorded by colonists as Mattano. In 1664, a group called the Elizabethtown Associates bought land in the Union County area from Mattano and another Lenape leader named Warinanco.
*McConnell Park, Cranford
**Named for the first town doctor in Cranford
*Milton Lake Park, Clark and Rahway
*Mindowaskin Park, Westfield
*Nomahegan Park
Cranford is a township in Union County, in the U.S. state of New Jersey, located southwest of Manhattan. As of the 2020 United States census, the township's population was 23,847, an increase of 1,222 (+5.4%) from the 2010 census count ...
, Cranford
** Contains Nomahegan Park Pond and encircles the Rahway River.
*Oak Ridge Park, Clark
* Passaic River Parkway, Berkeley Heights, New Providence, and Summit
*Phil Rizzuto Park, Elizabeth
*Ponderosa Farm Park, Scotch Plains
* Rahway River Park, Rahway
**Environmental groups protested at the building of a stadium here in 2016. The movement gave birth to Friends of Rahway River Parkway.
* Rahway River Parkway
*Snyder Avenue Park, Berkeley Heights
*Sperry Park, Cranford
*Stanley Avenue Park, Summit
*Tamaques Park, Scotch Plains
*Unami Park, Cranford, Garwood, and Westfield
*Washington Avenue Park, Springfield
*Watchung Reservation
Watchung Reservation is the largest nature reserve in Union County, New Jersey, United States. Covering 1,945 acres, it is bounded by the city of Summit, the borough of Mountainside, and the townships of Berkeley Heights, Scotch Plains, and ...
, Mountainside and Scotch Plains
* Warinanco Park, Elizabeth and Roselle
**Named for the Native American known as "Warinanco." Designed by the Olmsted Brothers firm.
*Wheeler Park, Linden
Other notable parks
Parks that are not managed by the county government include:
*Hawk Rise Sanctuary
Hawk Rise Sanctuary is a ecological preserve and wetland complex in Linden, New Jersey, bordering the Rahway River. It is at the lower reaches of the Rahway River Parkway.
It was created in 2012 on a former landfill through the combined efforts ...
. A bird sanctuary was built in 2012 on the banks of Rahway River in Linden. Hawk Rise Sanctuary is a 95-acre ecological preserve and wetland complex in Linden in an area previously concealed by various industrial land uses. Its trails were created adjacent to the former Linden Landfill area by the New Jersey Department of Environmental Protection, the city of Linden and the New Jersey Audubon Society. The trails in the Hawk Rise forest are boardwalk, with some continuing as gravel along the edge of the former Linden Landfill. It has an overlook area where hikers can view the Rahway River and nearby marshes. It has been open to the public since 2012. The site includes diverse environments: forested wetland
A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (anoxic) processes prevailing, especially in the soils. The ...
s, vernal pools, grasslands
A grassland is an area where the vegetation is dominated by grasses (Poaceae). However, sedge (Cyperaceae) and rush ( Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur natu ...
, shrublands, salt marsh, mudflats, a pond, and the tidal Rahway River. 163 bird species have been spotted there. It has been reported as vandalized.
* Reeves-Reed Arboretum in Summit.
*Kennedy Reservation in Union.
*The grounds of Liberty Hall Museum near the campus of Kean University
Kean University () is a public university in Union Township, Union County, New Jersey, Union and Hillside, New Jersey. It is part of New Jersey's public system of higher education.
Kean University was founded in 1855 in Newark, New Jersey, as th ...
in Union and Elizabeth.
Rahway River Parkway
The Rahway River Parkway is a greenway of parkland that hugs the Rahway River and its tributaries, such as Nomahegan Brook. It was the inaugural project of the Union County Parks Commission designed in the 1920s by the Olmsted Brothers firm, who were the sons of landscape architect Frederick Law Olmsted. Several county and municipal parks run along the Rahway River.
Elizabeth River Parkway
The Elizabeth River Parkway is a greenway of parkland alongside the Elizabeth River and its tributaries. It runs through Kean University
Kean University () is a public university in Union Township, Union County, New Jersey, Union and Hillside, New Jersey. It is part of New Jersey's public system of higher education.
Kean University was founded in 1855 in Newark, New Jersey, as th ...
and Liberty Hall Museum
The Liberty Hall Museum, located in Union, Union County, New Jersey, United States, is a historic home where many leading influential people lived. It is now a museum. Originally a fourteen-room Georgian-style house, it was built in 1772. Liber ...
on the river's way to the Arthur Kill. The Elizabeth River Parkway is broken down into separate sections.
*Chatfield/Zimmerman - Hillside and Union Township
*Lightning Brook - Hillside and Union
*
Pruden/Pearl Oval - Elizabeth
*Salem/Rutgers/Liberty - Hillside and Union
*Woodruff/Conant Street - Hillside and Union
*Ursino - Hillside and Union Township
Public golf courses
Union County's Division of Golf Operations runs two golf courses, which offer golf lessons and practice areas.
*Ash Brook Golf Course in Scotch Plains.
* Galloping Hill Golf Course and Golf Learning Center in Kenilworth. The facility, which hosts the headquarters of the New Jersey State Golf Association, hosted the 2016 New Jersey State Open golf tournament, the first public golf course to host the tournament since it was established in 1921.
Private golf courses
* Baltusrol Golf Club is a private 36- hole golf club in Springfield founded in 1895 by Louis Keller. Both courses were originally designed by A. W. Tillinghast
Albert Warren "Tilly" Tillinghast (May 7, 1876 – May 19, 1942) was an American golf course architect. Tillinghast was one of the most prolific architects in the history of golf; he worked on more than 265 different courses. He was inducted into ...
in 1918. The club has hosted seven U.S. Opens and the 2005 and 2016 PGA Championships.
*Echo Lake Country Club
Echo Lake Country Club is a private, member-owned country club located in Westfield, New Jersey. The club was founded in 1899, and the golf course was designed by Donald Ross in 1913.
History
The club was founded as the Cranford Golf Club in ...
is a private, member-owned country club located in Westfield, founded in 1899. The 18-hole golf course was designed by Donald Ross Donald Ross may refer to:
*Donald A. Ross (1857–1937), Canadian politician
* Donald Ross (golfer) (1872–1948), Scottish-born American golfer and golf course designer
*Donald P. Ross (1902–1973), American horse racetrack and racing stable owner ...
in 1913.
*Hyatt Hills Golf Complex in Clark.
*Shackamaxon Country Club
Shackamaxon Country Club is a private golf country club and banquet facility located in Scotch Plains, New Jersey.
History A. W. Tillinghast design
The course was designed by golf course architect A. W. Tillinghast and is regaining its status as ...
* Suburban Golf Club
Other recreational facilities
*Clark Community Pool
*Centennial Avenue Pool in Cranford, NJ
Cranford is a township in Union County, in the U.S. state of New Jersey, located southwest of Manhattan. As of the 2020 United States census, the township's population was 23,847, an increase of 1,222 (+5.4%) from the 2010 census count ...
*Oak Ridge Archery Range
*Orange Avenue Pool in Cranford, NJ
*Trailside Nature and Science Center at Watchung Reservation
Watchung Reservation is the largest nature reserve in Union County, New Jersey, United States. Covering 1,945 acres, it is bounded by the city of Summit, the borough of Mountainside, and the townships of Berkeley Heights, Scotch Plains, and ...
*Warinanco Ice Skating Rink
*Wheeler Park
*Westfield Memorial Pool
*Spray Pool – Wheeler Park (Linden)
*County Pool – Rahway River Park (Rahway)
Demographics
Union County is diverse ethnically. Berkeley Heights, Clark
Clark is an English language surname, ultimately derived from the Latin with historical links to England, Scotland, and Ireland ''clericus'' meaning "scribe", "secretary" or a scholar within a religious order, referring to someone who was educat ...
, Roselle Park, Cranford, Kenilworth, Linden, New Providence
New Providence is the most populous island in the Bahamas, containing more than 70% of the total population. It is the location of the national capital city of Nassau, whose boundaries are coincident with the island; it had a population of 246 ...
, Scotch Plains, Springfield
Springfield may refer to:
* Springfield (toponym), the place name in general
Places and locations Australia
* Springfield, New South Wales (Central Coast)
* Springfield, New South Wales (Snowy Monaro Regional Council)
* Springfield, Queenslan ...
, Summit
A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topography, topographic terms acme, apex, peak (mountain peak), and zenith are synonymous.
The term (mountain top) is generally used ...
, Union and Westfield have high percentages of Italian American
Italian Americans ( it, italoamericani or ''italo-americani'', ) are Americans who have full or partial Italian ancestry. The largest concentrations of Italian Americans are in the urban Northeast and industrial Midwestern metropolitan areas, ...
residents. Elizabeth, Plainfield, Rahway, Roselle and Union all have large African American
African Americans (also referred to as Black Americans and Afro-Americans) are an Race and ethnicity in the United States, ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American ...
communities. Roselle Park has a notably large Indian American
Indian Americans or Indo-Americans are citizens of the United States with ancestry from India. The United States Census Bureau uses the term Asian Indian to avoid confusion with Native Americans, who have also historically been referred to ...
community, while Roselle Park, Roselle, Linden, Rahway, Plainfield and particularly Elizabeth have fast-growing Hispanic and Portuguese populations.
The county's Jewish
Jews ( he, יְהוּדִים, , ) or Jewish people are an ethnoreligious group and nation originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""The ...
population was 35,000 as of 2004, with notable communities located in Cranford, Elizabeth, Hillside, Linden, Scotch Plains, Springfield
Springfield may refer to:
* Springfield (toponym), the place name in general
Places and locations Australia
* Springfield, New South Wales (Central Coast)
* Springfield, New South Wales (Snowy Monaro Regional Council)
* Springfield, Queenslan ...
, Union, and Westfield.
2020 Census
''Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race.''
2010 Census
Government
County Government

Union County is governed by a nine-member Board of County Commissioners
A county commission (or a board of county commissioners) is a group of elected officials (county commissioners) collectively charged with administering the county government in some states of the United States; such commissions usually comprise ...
. The members are elected at-large in partisan elections to serve three-year terms on a staggered basis, with three seats coming up for election each year. The Board sets policies for the operation of the county. The Commissioners perform the county's legislative and executive functions. In their legislative role, they formulate and adopt a budget and set county policies and procedures. In their executive role, they oversee county spending and functioning. Many of the administrative duties are delegated by the Board of County Commissioners to the County Manager. Each of the commissioners serves on various committees and boards as a part of their duties. These include committees on Economic Development, Parks and Recreation, and Public Works and Policy. In addition, the Board oversees the county's Open Space Trust Fund. Day-to-day operation of the county and its departments is supervised by an appointed County Manager, Edward Oatman. In 2016, freeholders were paid $30,692, while the Freeholder vice chairman received $31,732 and the Freeholder chairman had an annual salary of $32,773.
Union County is governed by a Board of County Commissioners
A county commission (or a board of county commissioners) is a group of elected officials (county commissioners) collectively charged with administering the county government in some states of the United States; such commissions usually comprise ...
, whose nine members are elected at-large to three-year terms of office on a staggered basis with three seats coming up for election each year, with an appointed County Manager overseeing the day-to-day operations of the county. At an annual reorganization meeting held in the beginning of January, the board selects a Chair and Vice Chair from among its members.
, Union County's County Commissioners are:
Union County, New Jersey. Accessed December 7, 2022.
*Chair Rebecca Williams ( Democratic Party (United States), D,