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Alameda County

county in California, United States
Organization county_of_california Q107146
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Alameda County

Summary

Alameda County is a county of California[1]. It draws 694 Wikipedia views per month (county_of_california category, ranking #10 of 58).[2]

Key Facts

  • Alameda County is located in California[3].
  • Alameda County is in the country of United States[4].
  • Alameda County's instance of is recorded as county of California[5].
  • Alameda County's capital is recorded as Oakland[6].
  • Alameda County's shares border with is recorded as Contra Costa County[7].
  • Alameda County's shares border with is recorded as San Mateo County[8].
  • Alameda County's shares border with is recorded as San Joaquin County[9].
  • Alameda County's shares border with is recorded as Stanislaus County[10].
  • Alameda County's shares border with is recorded as Santa Clara County[11].
  • Rancho Arroyo de la Alameda is named after Alameda County[12].
  • Alameda County's contains the administrative territorial entity is recorded as Oakland[13].
  • Alameda County's flag is recorded as flag of Alameda County[14].
  • Alameda County's twinned administrative body is recorded as Taoyuan[15].
  • Alameda County is part of Oakland–Fremont–Berkeley metropolitan division[16].
  • Alameda County's Commons category is recorded as Alameda County, California[17].
  • Alameda County's located in time zone is recorded as Pacific Time Zone[18].
  • Alameda County's local dialing code is recorded as 510[19].
  • Alameda County's local dialing code is recorded as 925[20].
  • March 25, 1853 marks the founding of Alameda County[21].
  • Alameda County's coordinate location is recorded as {'lat': 37.65, 'lon': -121.91}[22].
  • Alameda County's authority is recorded as County of Alameda[23].
  • Alameda County's official website is recorded as http://www.acgov.org[24].
  • Alameda County's official website is recorded as https://www.acgov.org/[25].
  • Alameda County's topic's main category is recorded as Category:Alameda County, California[26].
  • Alameda County has a population of {'amount': '+1510271'}[27].

Body

Founding

March 25, 1853 marks the founding of Alameda County[21].

Identity

Alameda County is part of Oakland–Fremont–Berkeley metropolitan division[16].

Why It Matters

Alameda County draws 694 Wikipedia views per month (county_of_california category, ranking #10 of 58).[2] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[28] It is known by 28 alternative names across languages and contexts.[29]

Related Entities

Bollène California Dwayne Johnson Taoyuan United States Vin Diesel Will Forte

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. [3] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . 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] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . 2010 United States Census. Retrieved . census.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . 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). Alameda County. Retrieved April 10, 2026, from https://4ort.xyz/entity/alameda-county
MLA “Alameda County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/alameda-county.
BibTeX @misc{4ortxyz_alameda-county_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Alameda County}}, year = {2026}, url = {https://4ort.xyz/entity/alameda-county}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Alameda County — https://4ort.xyz/entity/alameda-county (retrieved 2026-04-10)

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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. 7d ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Category for people born here → Category:Births in Alameda County, California
    Topic's main category → Category:Alameda County, California
    Water as percent of area → {'unit': 'Q11229', 'amount': '+10.02'}
    Instance of → county of California
    + 39 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31546|batch #31546]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.