Home › Entities › county_of_new_jersey › Union County

Union County

county in New Jersey, United States
Organization county_of_new_jersey Q502459
Press Enter · cited answer in seconds

Summary

Union County is a county of New Jersey[1]. It draws 1,049 Wikipedia views per month (county of new jersey category, ranking #16 of 21).[2]

Key Facts

  • Located in the administrative territorial entity: New Jersey[3]
  • Country: United States[4]
  • Capital: Elizabeth[5]
  • Shares border with: Middlesex County[6], Somerset County[7], Morris County[8], Essex County[9], Hudson County[10], Richmond County[11], New York City[12]
  • Named after: Union[13]
  • Contains the administrative territorial entity: Elizabeth[14], Westfield[15], Garwood[16], Plainfield[17], Summit[18], Rahway[19], Linden[20], Mountainside[21], Scotch Plains[22], Berkeley Heights[23], Kenilworth[24], Roselle Park[25], Fanwood[26], Roselle[27]
  • Twinned administrative body: Wenzhou[28]
  • Commons category: Union County, New Jersey[29]
  • Inception: 1857[30]
  • Coordinate location: 40.65, -74.29[31]
  • Official website: https://ucnj.org/[32]
  • Topic's main category: Category:Union County, New Jersey[33]
  • Population: 536,499[34], 537,736[35], 540,311[36], 544,102[37], 548,256[38], 555,786[39], 575,345[40]
  • Phone number: +1-908-527-4000[41]
  • Category for people born here: Category:Births in Union County, New Jersey[42]
  • Category for people who died here: Category:Deaths in Union County, New Jersey[43]
  • Number of households: 191,862[44]
  • Native label: Union County[45]
  • NCI Thesaurus ID: C109481[46]
  • Category of associated people: Category:People from Union County, New Jersey[47]
  • Different from: Union County[48]

Why It Matters

Union County has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[49] It is known by 42 alternative names across languages and contexts.[50]

Related Entities

Kean University New Jersey New York City United States

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [8] ↑ . wikidata.org.
  6. [9] ↑ . wikidata.org.
  7. [10] ↑ . wikidata.org.
  8. [11] ↑ . wikidata.org.
  9. [12] ↑ . wikidata.org.
  10. [3] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.
  29. [31] ↑ . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . wikidata.org.
  34. [36] ↑ . wikidata.org.
  35. [37] ↑ . wikidata.org.
  36. [38] ↑ . wikidata.org.
  37. [39] ↑ . wikidata.org.
  38. [40] ↑ . wikidata.org.
  39. [41] ↑ . wikidata.org.
  40. [42] ↑ . wikidata.org.
  41. [43] ↑ . wikidata.org.
  42. [44] ↑ . wikidata.org.
  43. [45] ↑ . wikidata.org.
  44. [46] ↑ . wikidata.org.
  45. [47] ↑ . wikidata.org.
  46. [48] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [49] ↑ . Wikidata sitelinks. wikidata.org.
  3. [50] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Union County. Retrieved October 18, 2026, from https://4ort.xyz/entity/union-county-q502459
MLA “Union County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 18 Oct. 2026, https://4ort.xyz/entity/union-county-q502459.
BibTeX @misc{4ortxyz_union-county-q502459_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Union County}}, year = {2026}, url = {https://4ort.xyz/entity/union-county-q502459}, note = {Accessed: 2026-10-18}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Union County — https://4ort.xyz/entity/union-county-q502459 (retrieved 2026-10-18)

Canonical URL: https://4ort.xyz/entity/union-county-q502459 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · Theklan · 2026-09-04 view diff on Wikidata ↗
    Located in time zone → —
    P14687 → Data:US presidential elections by county/Union County, New J
    "/* wbsetclaim-create:2||1 */ P14687: Data:US presidential elections by county/Union County, New Jersey.tab, Link US presidential election dataset (P14687, subject: United States president"
  2. 22w ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Aliases → —
    Umls cui → C3813234
    Capital → Elizabeth
    Category for people born here → Category:Births in Union County, New Jersey
    + 34 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31546|batch #31546]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.