Castro Valley

census-designated place in Alameda County, California, United States
Place census_designated_place_in_the_united_states Q1020700
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Castro Valley

Summary

Castro Valley is a census-designated place in the United States[1]. It ranks in the top 1% of census_designated_place_in_the_united_states entities by monthly Wikipedia readership (280 views/month).[2]

Key Facts

  • Castro Valley is located in Alameda County[3].
  • Castro Valley is in the country of United States[4].
  • Castro Valley's image is recorded as West Castro Valley.jpg[5].
  • Castro Valley's instance of is recorded as census-designated place in the United States[6].
  • Castro Valley's instance of is recorded as unincorporated community[7].
  • Castro Valley's shares border with is recorded as Hayward[8].
  • Castro Valley's VIAF cluster ID is recorded as 150109631[9].
  • Castro Valley's locator map image is recorded as Alameda County California Incorporated and Unincorporated areas Castro Valley Highlighted.svg[10].
  • Castro Valley's Library of Congress authority ID is recorded as n81108770[11].
  • Castro Valley's postal code is recorded as 94546[12].
  • Castro Valley's postal code is recorded as 94552[13].
  • Castro Valley's Commons category is recorded as Castro Valley, California[14].
  • Castro Valley's OpenStreetMap relation ID is recorded as 253570[15].
  • Castro Valley's located in time zone is recorded as Pacific Time Zone[16].
  • Castro Valley's located in time zone is recorded as UTC−07:00[17].
  • Castro Valley's located in time zone is recorded as UTC−08:00[18].
  • Castro Valley's local dialing code is recorded as 510[19].
  • Castro Valley's GNIS Feature ID is recorded as 1658237[20].
  • Castro Valley's GNIS Feature ID is recorded as 2407987[21].
  • Castro Valley's coordinate location is recorded as {'lat': 37.71, 'lon': -122.06}[22].
  • Castro Valley's Freebase ID is recorded as /m/0qxxj[23].
  • Castro Valley's FIPS 55-3 is recorded as 0611964[24].
  • Castro Valley's topic's main category is recorded as Category:Castro Valley, California[25].
  • Castro Valley's MusicBrainz area ID is recorded as ff6ec2ae-55bc-4704-b175-ed712432b603[26].
  • Castro Valley's Curlie ID is recorded as Regional/North_America/United_States/California/Localities/C/Castro_Valley/[27].

Body

Geography

Castro Valley is in the country of United States[4]. It is located in Alameda County[3].

Physical Characteristics

Areas include {'unit': 'Q25343', 'amount': '+43820008'}[28] and {'unit': 'Q712226', 'amount': '+43.818592'}[29]. Castro Valley's elevation above sea level is recorded as {'unit': 'Q11573', 'amount': '+50'}[30]. Population counts include {'amount': '+61388'}[31], {'amount': '+4145'}[32], and {'amount': '+66441'}[33].

Designation and Status

Recorded instance of include census-designated place in the United States[6] and unincorporated community[7].

Why It Matters

Castro Valley ranks in the top 1% of census_designated_place_in_the_united_states entities by monthly Wikipedia readership (280 views/month).[2] It has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[34] It is known by 10 alternative names across languages and contexts.[35]

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. [3] . wikidata.org.
  7. [9] . Virtual International Authority File. Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Virtual International Authority File. Retrieved . 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] . Freebase Data Dumps. wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . Q14005. wikidata.org.
  25. [27] . wikidata.org.
  26. [31] . 2010 U.S. Gazetteer Files. Retrieved . data.census.gov. Provenance: wikidata.org.
  27. [32] . wikidata.org.
  28. [33] . 2020 United States Census. Retrieved . data.census.gov. Provenance: wikidata.org.
  29. [30] . wikidata.org.
  30. [28] . wikidata.org.
  31. [29] . 2010 U.S. Gazetteer Files. Retrieved . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [34] . Wikidata sitelinks. wikidata.org.
  3. [35] . 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). Castro Valley. Retrieved April 11, 2026, from https://4ort.xyz/entity/castro-valley
MLA “Castro Valley.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/castro-valley.
BibTeX @misc{4ortxyz_castro-valley_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Castro Valley}}, year = {2026}, url = {https://4ort.xyz/entity/castro-valley}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Castro Valley — https://4ort.xyz/entity/castro-valley (retrieved 2026-04-11)

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