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Fairfax County

county in Virginia, United States
AdministrativeArea county_of_virginia Q341915
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Fairfax County

Summary

Fairfax County is a county of Virginia[1]. It ranks in the top 4% of county_of_virginia entities by monthly Wikipedia readership (4,445 views/month).[2]

Key Facts

  • Fairfax County is located in Virginia[3].
  • Fairfax County is in the country of United States[4].
  • Fairfax County is on the body of water Potomac River[5].
  • Fairfax County's instance of is recorded as county of Virginia[6].
  • Fairfax County's capital is recorded as Fairfax[7].
  • Fairfax County's shares border with is recorded as Prince George's County[8].
  • Fairfax County's shares border with is recorded as Montgomery County[9].
  • Fairfax County's shares border with is recorded as Loudoun County[10].
  • Fairfax County's shares border with is recorded as Charles County[11].
  • Fairfax County's shares border with is recorded as Arlington County[12].
  • Fairfax County's shares border with is recorded as Falls Church[13].
  • Fairfax County's shares border with is recorded as Alexandria[14].
  • Fairfax County's shares border with is recorded as Prince William County[15].
  • Fairfax County's shares border with is recorded as Fairfax[16].
  • Fairfax County's shares border with is recorded as Washington, D.C.[17].
  • Thomas Fairfax is named after Fairfax County[18].
  • Fairfax County's legislative body is recorded as Fairfax County Board of Supervisors[19].
  • Fairfax County is part of Arlington–Alexandria–Reston metropolitan division[20].
  • Fairfax County's Commons category is recorded as Fairfax County, Virginia[21].
  • Fairfax County's located in time zone is recorded as Eastern Time Zone[22].
  • Fairfax County's located in time zone is recorded as UTC−05:00[23].
  • Fairfax County's located in time zone is recorded as UTC−04:00[24].
  • Fairfax County's local dialing code is recorded as 703[25].
  • Fairfax County's local dialing code is recorded as 571[26].
  • 1742 marks the founding of Fairfax County[27].

Body

Geography

Fairfax County is in the country of United States[4]. It is located in Virginia[3]. It is on the body of water Potomac River[5]. It is part of Arlington–Alexandria–Reston metropolitan division[20].

Physical Characteristics

Fairfax County covers an area of {'unit': 'Q712226', 'amount': '+1053'}[28]. Population counts include {'amount': '+1081726'}[29], {'amount': '+1086460'}[30], {'amount': '+1104147'}[31], {'amount': '+1118683'}[32], {'amount': '+1130924'}[33], and {'amount': '+1142234'}[34].

Designation and Status

Fairfax County's instance of is recorded as county of Virginia[6].

History and Context

1742 marks the founding of Fairfax County[27]. Thomas Fairfax is named after it[18].

Why It Matters

Fairfax County ranks in the top 4% of county_of_virginia entities by monthly Wikipedia readership (4,445 views/month).[2] It has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[35] It is known by 18 alternative names across languages and contexts.[36]

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] ↑ . datausa.io. Retrieved . datausa.io. Provenance: 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. [29] ↑ . 2010 United States Census. Retrieved . census.gov. Provenance: wikidata.org.
  27. [30] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  28. [31] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  29. [32] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  30. [33] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  31. [34] ↑ . Population Estimates Program. census.gov. Provenance: wikidata.org.
  32. [28] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [35] ↑ . Wikidata sitelinks. wikidata.org.
  3. [36] ↑ . 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 May 3, 2026, from https://4ort.xyz/entity/fairfax-county
MLA “Fairfax County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 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: 2026-05-03}}
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 2026-05-03)

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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. 9d ago · Mxn · 2026-05-15 view diff on Wikidata ↗
    Obo gazetteer id → 00009984
    Umls cui → C3830263
    Taxonomicon id → 1808201
    "/* wbsetclaim-update:2||1 */ [[Property:P8424]]: 2791414"
  3. 11d 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| */ [[Property:P1748]]: C110536, #quickstatements; #temporary_batch_1778695477825"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.