Arlington County

county in Virginia, United States; part of Washington metropolitan area
AdministrativeArea county_of_virginia Q107126
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Summary

Arlington County is a county of Virginia[1]. It ranks in the top 2% of county of virginia entities by monthly Wikipedia readership (9,757 views/month).[2]

Key Facts

  • Located in the administrative territorial entity: Virginia[3]
  • Country: United States[4]
  • Located in or next to body of water: Potomac River[5]
  • Shares border with: Washington, D.C.[6], Alexandria[7], Fairfax County[8], Falls Church[9], Montgomery County[10], Foggy Bottom[11]
  • Basic form of government: County Manager Plan[12]
  • Named after: Arlington House, The Robert E. Lee Memorial[13]
  • Follows: Alexandria County[14]
  • Twinned administrative body: Aachen[15], Reims[16], San Miguel[17], Coyoacán[18], Ivano-Frankivsk[19], Tangerang[20]
  • Legislative body: Arlington County Board[21]
  • Part of: Arlington–Alexandria–Reston metropolitan division[22], Washington metropolitan area[23]
  • Commons category: Arlington County, Virginia[24]
  • Said to be the same as: Arlington[25]
  • Local dialing code: 703[26], 571[27]
  • Inception: February 27, 1801[28]
  • Coordinate location: 38.880277777778, -77.108333333333[29]
  • Authority: government of Arlington County[30]
  • Official website: https://www.arlingtonva.us/[31]
  • Topic's main category: Category:Arlington County, Virginia[32]
  • Population: 207,627[33], 209,311[34], 216,174[35], 221,275[36], 224,906[37], 229,164[38], 238,643[39]
  • Topic has template: Template:Arlington County, Virginia[40]
  • List of monuments: National Register of Historic Places listings in Arlington County, Virginia[41]
  • Category for people born here: Category:Births in Arlington County, Virginia[42]
  • Category for people who died here: Category:Deaths in Arlington County, Virginia[43]
  • Number of households: 108,604[44]
  • Native label: Arlington County[45]

Body

Cultural Significance

Things named for Arlington County include Washington metropolitan area[46], a metropolitan statistical area[47], in United States[48]; Washington–Baltimore combined statistical area[49], a combined statistical area[50], in United States[51]; and Arlington[52], a city of Oregon[53], in United States[54], founded in 1885[55].

Why It Matters

Arlington County has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[56] It is known by 63 alternative names across languages and contexts.[57]

Entities named for it include Washington metropolitan area[46], a metropolitan statistical area[47], in United States[48]; Washington–Baltimore combined statistical area[49], a combined statistical area[50], in United States[51]; and Arlington[52], a city of Oregon[53], in United States[54], founded in 1885[55].

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [6] ↑ . wikidata.org.
  3. [7] ↑ . wikidata.org.
  4. [8] ↑ . wikidata.org.
  5. [9] ↑ . wikidata.org.
  6. [10] ↑ . wikidata.org.
  7. [11] ↑ . wikidata.org.
  8. [12] ↑ . wikidata.org.
  9. [3] ↑ . wikidata.org.
  10. [13] ↑ . wikidata.org.
  11. [14] ↑ . wikidata.org.
  12. [15] ↑ . wikidata.org.
  13. [16] ↑ . wikidata.org.
  14. [17] ↑ . wikidata.org.
  15. [18] ↑ . wikidata.org.
  16. [19] ↑ . wikidata.org.
  17. [20] ↑ . wikidata.org.
  18. [21] ↑ . wikidata.org.
  19. [5] ↑ . 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.

Inverse relationships (entities pointing at this one)

  1. [46] ↑ . wikidata.org. → on this site
  2. [49] ↑ . wikidata.org. → on this site
  3. [52] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [47] ↑ . Wikidata. wikidata.org. → on this site
  2. [48] ↑ . Wikidata. wikidata.org. → on this site
  3. [50] ↑ . Wikidata. wikidata.org. → on this site
  4. [51] ↑ . Wikidata. wikidata.org. → on this site
  5. [53] ↑ . Wikidata. wikidata.org. → on this site
  6. [54] ↑ . Wikidata. wikidata.org. → on this site
  7. [55] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [56] ↑ . Wikidata sitelinks. wikidata.org.
  3. [57] ↑ . 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). Arlington County. Retrieved October 17, 2026, from https://4ort.xyz/entity/arlington-county
MLA “Arlington County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/arlington-county.
BibTeX @misc{4ortxyz_arlington-county_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Arlington County}}, year = {2026}, url = {https://4ort.xyz/entity/arlington-county}, note = {Accessed: 2026-10-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Arlington County — https://4ort.xyz/entity/arlington-county (retrieved 2026-10-17)

Canonical URL: https://4ort.xyz/entity/arlington-county · 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 ↗
    Territory overlaps → Virginia's 39th Senate district
    P14687 → Data:US presidential elections by county/Arlington County, V
    "/* wbsetclaim-create:2||1 */ P14687: Data:US presidential elections by county/Arlington County, Virginia.tab, Link US presidential election dataset (P14687, subject: United States preside"
  2. 9w ago · RVA2869 · 2026-08-12 view diff on Wikidata ↗
    Located in time zone → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/46950|batch #46950]]: redundant value, already present at higher administrative level"
  3. 10w ago · JuxtaposedJacob · 2026-08-07 view diff on Wikidata ↗
    Basic form of government → County Manager Plan
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/45905|batch #45905]]: county forms"
  4. 13w ago · Susmuffin · 2026-07-17 view diff on Wikidata ↗
    Harper's tag → arlington, arlington-virginia
    "/* wbsetclaim-create:1||1 */ Harper's tag: arlington, Matched to [[:toollabs:mix-n-match/#/entry/289909672|arlington (#289909672)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harper's tag]] #mix"
  5. 19w ago · Mxn · 2026-06-04 view diff on Wikidata ↗
    Umls cui → C3831476
    Logo image → —
    Taxonomicon id → 1808140
    "/* wbsetclaim-update:2||1 */ Official website: https://www.arlingtonva.us/"
  6. 22w ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Category for people who died here → Category:Deaths in Arlington County, Virginia
    Located in the administrative territorial entity → Virginia
    Fast id → 1219848, 1205304
    Category for maps or plans → Category:Maps of Arlington County, Virginia
    + 49 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Nci thesaurus id: C110514, #quickstatements; #temporary_batch_1778695477825"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.