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Fairfax County

county in Virginia, United States
AdministrativeArea county_of_virginia Q341915
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Summary

Fairfax County is a county of Virginia[1]. It ranks in the top 4% of county of virginia entities by monthly Wikipedia readership (4,676 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]
  • Capital: Fairfax[6]
  • Shares border with: Prince George's County[7], Montgomery County[8], Loudoun County[9], Charles County[10], Arlington County[11], Falls Church[12], Alexandria[13], Prince William County[14], Fairfax[15], Washington, D.C.[16]
  • Basic form of government: Urban County Executive[17]
  • Named after: Thomas Fairfax[18]
  • Legislative body: Fairfax County Board of Supervisors[19]
  • Part of: Arlington–Alexandria–Reston metropolitan division[20]
  • Commons category: Fairfax County, Virginia[21]
  • Local dialing code: 703[22], 571[23]
  • Inception: 1742[24]
  • Coordinate location: 38.83, -77.28[25]
  • Authority: Fairfax County Government[26]
  • Official website: https://www.fairfaxcounty.gov/[27]
  • Topic's main category: Category:Fairfax County, Virginia[28]
  • Population: 1,081,726[29], 1,086,460[30], 1,104,147[31], 1,118,683[32], 1,130,924[33], 1,142,234[34], 1,150,309[35]
  • List of monuments: National Register of Historic Places listings in Fairfax County, Virginia[36]
  • Category for people born here: Category:Births in Fairfax County, Virginia[37]
  • Category for people who died here: Category:Deaths in Fairfax County, Virginia[38]
  • Number of households: 398,653[39]
  • Native label: Fairfax County[40]
  • NCI Thesaurus ID: C110536[41]
  • Category of associated people: Category:People from Fairfax County, Virginia[42]
  • Different from: Fairfax[43]

Body

Physical Characteristics

Fairfax County covers an area of 1053[44].

Why It Matters

Fairfax County has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[45] It is known by 36 alternative names across languages and contexts.[46]

Related Entities

Alexandria George Mason George Mason University Grant Hill United States Valerie Solanas Virginia

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. [13] ↑ . wikidata.org.
  10. [14] ↑ . wikidata.org.
  11. [15] ↑ . wikidata.org.
  12. [16] ↑ . wikidata.org.
  13. [17] ↑ . wikidata.org.
  14. [3] ↑ . wikidata.org.
  15. [18] ↑ . wikidata.org.
  16. [19] ↑ . wikidata.org.
  17. [5] ↑ . 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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [45] ↑ . Wikidata sitelinks. wikidata.org.
  3. [46] ↑ . 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). Fairfax County. Retrieved October 17, 2026, from https://4ort.xyz/entity/fairfax-county
MLA “Fairfax County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/fairfax-county.
BibTeX @misc{4ortxyz_fairfax-county_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Fairfax County}}, year = {2026}, url = {https://4ort.xyz/entity/fairfax-county}, note = {Accessed: 2026-10-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Fairfax County — https://4ort.xyz/entity/fairfax-county (retrieved 2026-10-17)

Canonical URL: https://4ort.xyz/entity/fairfax-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, Virginia's 38th Senate district
    P14687 → Data:US presidential elections by county/Fairfax County, Vir
    "/* wbsetclaim-create:2||1 */ P14687: Data:US presidential elections by county/Fairfax County, Virginia.tab, Link US presidential election dataset (P14687, subject: United States president"
  2. 9w ago · Susmuffin · 2026-08-15 view diff on Wikidata ↗
    Harper's tag → fairfax-county
    "/* wbsetclaim-create:1||1 */ Harper's tag: fairfax-county, Matched to [[:toollabs:mix-n-match/#/entry/289927803|fairfax county (#289927803)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harper's "
  3. 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"
  4. 10w ago · JuxtaposedJacob · 2026-08-07 view diff on Wikidata ↗
    Basic form of government → Urban County Executive
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/45905|batch #45905]]: county forms"
  5. 10w ago · Dcflyer · 2026-08-06 view diff on Wikidata ↗
    Domain name → fairfax.va.us
    C-span organization id → —
    X (twitter) username → —
    Located in the statistical territorial entity → Arlington–Alexandria–Reston metropolitan division
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ Cleanup: remove wikimedia refs ([[User:Difool/WikidataCleanup]])"
  6. 19w ago · Mxn · 2026-06-04 view diff on Wikidata ↗
    Authority → Fairfax County Government
    "/* wbsetclaim-create:2||1 */ Authority: Fairfax County Government"
  7. 20w ago · Mxn · 2026-05-24 view diff on Wikidata ↗
    Member of → —
    "/* wbcreateclaim-create:1| */ Member of: GovAI Coalition, [[:toollabs:quickstatements/#/batch/258464|batch #258464]]"
  8. 22w ago · Mxn · 2026-05-15 view diff on Wikidata ↗
    Obo gazetteer id → 00009984
    Umls cui → C3830263
    Taxonomicon id → 1808201
    "/* wbsetclaim-update:2||1 */ Openhistoricalmap relation id: 2791414"
  9. 22w ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Category for people who died here → Category:Deaths in Fairfax County, Virginia
    Located in the administrative territorial entity → Virginia
    Category for maps or plans → Category:Maps of Fairfax County, Virginia
    Different from → Fairfax
    + 35 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Nci thesaurus id: C110536, #quickstatements; #temporary_batch_1778695477825"
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