Union County

county in Ohio, United States
AdministrativeArea county_of_ohio Q489536
Union County
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Union County

Summary

Union County is a county of Ohio[1]. It draws 110 Wikipedia views per month (county_of_ohio category, ranking #39 of 88).[2]

Key Facts

  • Union County is located in Ohio[3].
  • Union County is in the country of United States[4].
  • Union County's instance of is recorded as county of Ohio[5].
  • Union County's capital is recorded as Marysville[6].
  • Union County's shares border with is recorded as Marion County[7].
  • Union County's shares border with is recorded as Madison County[8].
  • Union County's shares border with is recorded as Delaware County[9].
  • Union County's shares border with is recorded as Franklin County[10].
  • Union County's shares border with is recorded as Hardin County[11].
  • Union County's shares border with is recorded as Champaign County[12].
  • Union County's shares border with is recorded as Logan County[13].
  • Union County's contains the administrative territorial entity is recorded as Marysville[14].
  • Union County's Commons category is recorded as Union County, Ohio[15].
  • Union County's licence plate code is recorded as 80[16].
  • January 10, 1820 marks the founding of Union County[17].
  • Union County's coordinate location is recorded as {'lat': 40.31, 'lon': -83.37}[18].
  • Union County's authority is recorded as government of Union County[19].
  • Union County's official website is recorded as http://www.co.union.oh.us[20].
  • Union County's topic's main category is recorded as Category:Union County, Ohio[21].
  • Union County has a population of {'amount': '+52300'}[22].
  • Union County has a population of {'amount': '+52427'}[23].
  • Union County has a population of {'amount': '+53096'}[24].
  • Union County has a population of {'amount': '+52786'}[25].
  • Union County has a population of {'amount': '+53306'}[26].
  • Union County has a population of {'amount': '+54277'}[27].

Body

Geography

Union County is in the country of United States[4]. It is located in Ohio[3].

Physical Characteristics

Union County covers an area of {'unit': 'Q712226', 'amount': '+1132'}[28]. Population counts include {'amount': '+52300'}[22], {'amount': '+52427'}[23], {'amount': '+53096'}[24], {'amount': '+52786'}[25], {'amount': '+53306'}[26], and {'amount': '+54277'}[27].

Designation and Status

Union County's instance of is recorded as county of Ohio[5].

History and Context

January 10, 1820 marks the founding of Union County[17].

Why It Matters

Union County draws 110 Wikipedia views per month (county_of_ohio category, ranking #39 of 88).[2] It has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[29] It is known by 11 alternative names across languages and contexts.[30]

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. [13] . wikidata.org.
  11. [3] . 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] . 2010 United States Census. Retrieved . census.gov. Provenance: wikidata.org.
  21. [23] . census.gov. census.gov. Provenance: wikidata.org.
  22. [24] . census.gov. census.gov. Provenance: wikidata.org.
  23. [25] . census.gov. census.gov. Provenance: wikidata.org.
  24. [26] . census.gov. census.gov. Provenance: wikidata.org.
  25. [27] . Population Estimates Program. census.gov. Provenance: wikidata.org.
  26. [28] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [29] . Wikidata sitelinks. wikidata.org.
  3. [30] . 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 May 3, 2026, from https://4ort.xyz/entity/union-county-q489536
MLA “Union County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/union-county-q489536.
BibTeX @misc{4ortxyz_union-county-q489536_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Union County}}, year = {2026}, url = {https://4ort.xyz/entity/union-county-q489536}, note = {Accessed: 2026-05-03}}
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-q489536 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/union-county-q489536 · 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. 7d ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Taxonomicon id 1807096
    Obo gazetteer id 00225645
    Umls cui C3813238
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31546|batch #31546]]"
  2. 7d ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Nci thesaurus id C109810
    Local thumb
    "/* wbcreateclaim-create:1| */ [[Property:P1748]]: C109810, #quickstatements; #temporary_batch_1778695477825"
  3. 16d ago · Schekinov Alexey Victorovich · 2026-05-04 view diff on Wikidata ↗
    Inception +1820-01-10T00:00:00Z
    Image Dublin Christian Church, Bridge Street.jpg, Union County Veterans Memorial.jpg, Union County Courthouse Marysville.jpg +3
    "/* wbsetclaim-update:2||1 */ [[Property:P571]]: 1 April 1820"
  4. 16d ago · Schekinov Alexey Victorovich · 2026-05-04 view diff on Wikidata ↗
    Number of households {'amount': '+20695'}
    Inception
    Instance of county of Ohio
    Shares border with Marion County, Madison County, Delaware County +4
    + 28 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P18]]: Union County Court House Ohio.jpg"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.