Back مقاطعة يونيون (نيو جيرسي) Arabic Yunion (dairə, Nyu-Cersi) Azerbaijani Union County, New Jersey BAR Юниън (окръг, Ню Джърси) Bulgarian ইউনিয়ন কাউন্টি, নিউ জার্সি BPY Union Gông (New Jersey) CDO Юнион (гуо, Нью-Джерси) CE Union County (kondado sa Tinipong Bansa, New Jersey, lat 40,66, long -74,31) CEB Union County, New Jersey Welsh Union County (New Jersey) German

Union County, New Jersey

Union County
County
Downtown Westfield in July 2005
Downtown Westfield in July 2005
Flag of Union County
Flag
Official seal of Union County
Seal
Map of New Jersey highlighting Union County
Location within the U.S. state of New Jersey
Map of the United States highlighting New Jersey
New Jersey's location within the U.S.
Coordinates: 40°39′N 74°17′W / 40.65°N 74.29°W / 40.65; -74.29
Country United States
State New Jersey
Founded1857[1]
Named forUnion threatened by slavery dispute[2]
SeatElizabeth[3]
Largest cityElizabeth (population and area)
Government
 • Commission ChairSergio Granados (D, term ends December 31, 2025)
Area
[4]
 • Total
105.41 sq mi (273.0 km2)
 • Land102.77 sq mi (266.2 km2)
 • Water2.64 sq mi (6.8 km2)  2.5%
Population
 (2020)[5][6]
 • Total
575,345
 • Estimate 
(2023)[5][7]
572,726 Decrease
 • Density5,500/sq mi (2,100/km2)
Congressional districts7th, 8th, 10th, 12th
Websitewww.ucnj.org
Map
Interactive map of Union County, New Jersey

Union County is a county in the northern part of the U.S. state of New Jersey. As of the 2020 United States census, the county was the state's seventh-most-populous county[8] with a population of 575,345,[5][6] its highest decennial count ever and an increase of 38,846 (+7.2%) from the 2010 census count of 536,499.[9] Its county seat is Elizabeth,[3] which is also the most populous municipality in the county, with a 2020 census population of 137,298,[6] and the largest by area, covering 13.46 square miles (34.9 km2).[10] The county serves as a transition point between the Central Jersey and North Jersey regions of the state.[11][12]

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.[13][14] The Bureau of Economic Analysis ranked the county as having the 119th-highest per capita income of all 3,113 counties in the United States (and the eighth-highest in New Jersey) in 2009.[15] A study by Forbes.com determined that Union County residents pay the second-highest property taxes of all U.S. counties, based on 2007 data.[16]

With a population density of 4,955 inhabitants per square mile (1,913/km2) in 2000, 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).[17][18]

  1. ^ Cite error: The named reference Story was invoked but never defined (see the help page).
  2. ^ Hutchinson, Viola L. The Origin of New Jersey Place Names, New Jersey Public Library Commission, May 1945. Accessed September 30, 2019.
  3. ^ a b New Jersey County Map, New Jersey Department of State. Accessed December 22, 2022.
  4. ^ Cite error: The named reference CensusArea was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference Census2020 was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference LWD2020 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference PopEst was invoked but never defined (see the help page).
  8. ^ Table1. New Jersey Counties and Most Populous Cities and Townships: 2020 and 2010 Censuses, New Jersey Department of Labor and Workforce Development. Accessed December 1, 2022.
  9. ^ Cite error: The named reference Census2010 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference CPH232 was invoked but never defined (see the help page).
  11. ^ Cervenka, Suzanne "Does Central NJ exist? State group says Union County belongs", Asbury Park Press, February 26, 2022. Accessed April 1, 2024.
  12. ^ Stirling, Stephen "Here are the North, Central and South Jersey borders as determined by you (INTERACTIVE) - nj.com", NJ.com, April 24, 2015. Accessed April 1, 2024. "Central Jersey crept as far north as Millburn and includes most of Union County. The notable exceptions there were Elizabeth, Berkeley Heights and New Providence, which remained North Jersey until the very end."
  13. ^ 250 Highest Per Capita Personal Incomes available for 3113 counties in the United States: 2015, New Jersey Department of Labor and Workforce Development. Accessed October 24, 2017.
  14. ^ Local Area Personal Income: 2015 Archived October 15, 2017, at the Wayback Machine, Bureau of Economic Analysis. Accessed October 24, 2017.
  15. ^ 250 Highest Per Capita Personal Incomes of the 3113 Counties in the United States, 2009 Archived December 12, 2011, at the Wayback Machine, Bureau of Economic Analysis. Accessed April 9, 2012.
  16. ^ Woolsey, Matt. "In Depth: Who Pays America's Highest Property Taxes? 2. Union County, N.J.", Forbes, January 23, 2009. Accessed October 2, 2013.
  17. ^ "Census 2000 Data Rankings; A data rankings document focused on the Roanoke Valley and Alleghany Highlands region" Archived October 23, 2013, at the Wayback Machine, Roanoke Valley-Alleghany Regional Commission, p. 22. Accessed October 6, 2013.
  18. ^ Staff. "Census 2010 data show population and diversity trends" Archived October 5, 2013, at the Wayback Machine, USA Today. Accessed October 2, 2013. Click on "Population per Square Mile" to sort counties nationwide by descending population density, which was calculated based on total land area (including water) and lists Union as 18th and Essex as 14th.

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