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Loudoun County

county in Virginia, United States
AdministrativeArea county_of_virginia Q495310
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Loudoun County

Summary

Loudoun County is a county of Virginia[1]. It ranks in the top 5% of county_of_virginia entities by monthly Wikipedia readership (3,047 views/month).[2]

Key Facts

  • Loudoun County is located in Virginia[3].
  • Loudoun County is in the country of United States[4].
  • Loudoun County's instance of is recorded as county of Virginia[5].
  • Loudoun County's capital is recorded as Leesburg[6].
  • Loudoun County's shares border with is recorded as Frederick County[7].
  • Loudoun County's shares border with is recorded as Washington County[8].
  • Loudoun County's shares border with is recorded as Montgomery County[9].
  • Loudoun County's shares border with is recorded as Fairfax County[10].
  • Loudoun County's shares border with is recorded as Prince William County[11].
  • Loudoun County's shares border with is recorded as Fauquier County[12].
  • Loudoun County's shares border with is recorded as Clarke County[13].
  • Loudoun County's shares border with is recorded as Jefferson County[14].
  • John Campbell, 4th Earl of Loudoun is named after Loudoun County[15].
  • Loudoun County's contains the administrative territorial entity is recorded as Leesburg[16].
  • Loudoun County's legislative body is recorded as Loudoun County Board of Supervisors[17].
  • Loudoun County is part of Arlington–Alexandria–Reston metropolitan division[18].
  • Loudoun County's Commons category is recorded as Loudoun County, Virginia[19].
  • January 1, 1757 marks the founding of Loudoun County[20].
  • Loudoun County's coordinate location is recorded as {'lat': 39.09, 'lon': -77.64}[21].
  • Loudoun County's official website is recorded as http://www.loudoun.gov/[22].
  • Loudoun County's topic's main category is recorded as Category:Loudoun County, Virginia[23].
  • Loudoun County has a population of {'amount': '+312311'}[24].
  • Loudoun County has a population of {'amount': '+315426'}[25].
  • Loudoun County has a population of {'amount': '+326371'}[26].
  • Loudoun County has a population of {'amount': '+337248'}[27].

Body

Geography

Loudoun County is in the country of United States[4]. It is located in Virginia[3]. It is part of Arlington–Alexandria–Reston metropolitan division[18].

Physical Characteristics

Loudoun County covers an area of {'unit': 'Q712226', 'amount': '+1350'}[28]. Population counts include {'amount': '+312311'}[24], {'amount': '+315426'}[25], {'amount': '+326371'}[26], {'amount': '+337248'}[27], {'amount': '+349679'}[29], and {'amount': '+375629'}[30].

Designation and Status

Loudoun County's instance of is recorded as county of Virginia[5].

History and Context

January 1, 1757 marks the founding of Loudoun County[20]. John Campbell, 4th Earl of Loudoun is named after it[15].

Why It Matters

Loudoun County ranks in the top 5% of county_of_virginia entities by monthly Wikipedia readership (3,047 views/month).[2] It has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[31] It is known by 23 alternative names across languages and contexts.[32]

Related Entities

Sterling United States Virginia

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] ↑ . loudoun.gov. loudoun.gov. Provenance: 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. [14] ↑ . wikidata.org.
  12. [3] ↑ . wikidata.org.
  13. [15] ↑ . loudoun.gov. loudoun.gov. Provenance: 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] ↑ . 2010 United States Census. Retrieved . 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] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  26. [29] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  27. [30] ↑ . Population Estimates Program. census.gov. Provenance: wikidata.org.
  28. [28] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [31] ↑ . Wikidata sitelinks. wikidata.org.
  3. [32] ↑ . 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). Loudoun County. Retrieved May 3, 2026, from https://4ort.xyz/entity/loudoun-county
MLA “Loudoun County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/loudoun-county.
BibTeX @misc{4ortxyz_loudoun-county_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Loudoun County}}, year = {2026}, url = {https://4ort.xyz/entity/loudoun-county}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Loudoun County — https://4ort.xyz/entity/loudoun-county (retrieved 2026-05-03)

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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. 11h ago · Mxn · 2026-05-24 view diff on Wikidata ↗
    Member of → Q138812596
    "/* wbcreateclaim-create:1| */ [[Property:P463]]: [[Q138812596]], [[:toollabs:quickstatements/#/batch/258464|batch #258464]]"
  2. 11d ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Obo gazetteer id → 00103648
    Umls cui → C3829252
    Taxonomicon id → 1808225
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31546|batch #31546]]"
  3. 11d ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Category for people who died here → Category:Deaths in Loudoun County, Virginia
    Located in the administrative territorial entity → Virginia
    Category for maps or plans → Category:Maps of Loudoun County, Virginia
    Website → —
    + 32 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P1748]]: C110560, #quickstatements; #temporary_batch_1778695477825"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.