Union County, New Jersey

Union County: County in Oregon, United States

About

Union County is a county located in the U.S. state of New Jersey. As of the 2010 census, the population was 536,499 and a population density of 102 people per km². After 10 years in 2020 county had an estimated population of 555,394 inhabitants. Its county seat is La Grande. The county was created 160 years ago in 1863.

Union County locator map
Location of Union County on New Jersey map.

Quick Facts about Union County

Population : 555,394 (2020)
Country : United States of America
State : New Jersey (United States)
Different from : Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union Parish, Union County, Union County
Area : 5280 km2
Water as percent of area : 0.1%
Land as percent of area : 99.9%
Named for : Union
Altitude : 43 feet / 13 meters
Capital : La Grande
Establishment : January 01, 1864
Time Zone : America/New_York
Local time : 09:51:43 (21st December 2024)
Density : 105 Pop. per km² as of 2020
Population growth : 3.4% (2010-2020)
Union County Courthouse  La Grande  Oregon image
Union County Courthouse La Grande Oregon
Union County Courthouse  La Grande  Oregon image

Geography

Union County is located at 40°39'35"N 74°18'31"W (40.6598000, -74.3085900). It has 4 neighbors: Baker County, Grant County, Umatilla County and Wallowa County.

Union County map

The largest city of Union County is Elizabeth with a population of 128,382. Other cities include, Elizabethport population 124,969, Union population 67,137, Plainfield population 50,011 and Linden population 42,076. See all Union County cities & populated places.

Union County Populated Places (more)

Cities, towns, neighborhoods & other populated places in Union County.

City Name Population Title
Elizabeth 128,382 The second most populous city in Union County, New Jersey.
Elizabethport 124,969 A city in Union County, New Jersey.
Union 67,137 A city in Union County, New Jersey.
Plainfield 50,011 A city in Union County, New Jersey.
Linden 42,076 A city in Union County, New Jersey.
Rahway 29,832 City in Union County, New Jersey
Westfield 29,238 Town in Union County, New Jersey
Scotch Plains 24,138 Township in Union County, New Jersey, United States
Cranford 24,028 Township of New Jersey
Hillside 21,841 Township of New Jersey
Summit 21,812 City in Union County, New Jersey, United States
Roselle 21,689 Borough in New Jersey, USA
Clark 15,837 Township in southern Union County, New Jersey, United States
New Providence 13,994 Town in New Jersey, United States
Roselle Park 13,510 Borough in Union County, New Jersey
Berkeley Heights 13,313 Township in Union County, New Jersey

Union County has 4 neighbours.

  • La Grande

Demographics

The population of Union County increased by 3.4% in 10 years.

Year Population % Change Method
2010 536,499 - census
2011 539,931 0.64% estimation process
2012 542,970 0.56% estimation process
2013 546,025 0.56% estimation process
2014 548,014 0.36% estimation process
2015 549,905 0.34% estimation process
2016 552,781 0.52% estimation process
2017 554,738 0.35% estimation process
2018 556,402 0.3% estimation process
2019 556,341 -0.01% estimation process
2020 555,394 -0.17% estimation process

Comitatul Union, Comte d'Union, Comte dUnion, Comté d'Union, Comté dUnion, Condado de Union, Condado han Union, Contea di Union, Hrabstwo Union, Junion, Juniun, Okrug Junion, Quan Union, Quận Union, Union, Union Kun, Union Kūn, Union konderria, Union megye, Yunion srjan, i'uniyana ka'unti, lian he xian, shhrstan ywnywn nywjrsy, yunion jun, Округ Јунион, Юнион, Юниън, Юніон, Յունիոն շրջան, شهرستان یونیون، نیوجرسی, مقاطعة يونيون, یونین کاؤنٹی, یونین کاؤنٹی، نیو جرسی, ইউনিয়ন কাউন্টি, ユニオン郡, 聯合縣

People born in Union County (1)

politician Carolyn B. Shelton was born in Union County

Other places with the same name (17)

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Passaic County 500,382 County in New Jersey, United States
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Mercer County 367,239 County in West Virginia, United States
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Newark 282,520 The most populous city in New Jersey and the center of the Newark metropolitan area.
Atlantic County 262,945 County in New Jersey, United States