Castro Valley

census-designated place in Alameda County, California, United States
Place census_designated_place_in_the_united_states Q1020700
Press Enter · cited answer in seconds

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 (3,492 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 instance of is recorded as census-designated place in the United States[5].
  • Castro Valley's instance of is recorded as unincorporated community[6].
  • Castro Valley's shares border with is recorded as Hayward[7].
  • Castro Valley's postal code is recorded as 94546[8].
  • Castro Valley's postal code is recorded as 94552[9].
  • Castro Valley's Commons category is recorded as Castro Valley, California[10].
  • Castro Valley's local dialing code is recorded as 510[11].
  • Castro Valley's coordinate location is recorded as {'lat': 37.71, 'lon': -122.06}[12].
  • Castro Valley's topic's main category is recorded as Category:Castro Valley, California[13].
  • Castro Valley has a population of {'amount': '+61388'}[14].
  • Castro Valley has a population of {'amount': '+4145'}[15].
  • Castro Valley has a population of {'amount': '+66441'}[16].
  • Castro Valley's official name is recorded as {'lang': 'en', 'text': 'Castro Valley'}[17].
  • Castro Valley's category for people born here is recorded as Q60898401[18].
  • Castro Valley's category for people who died here is recorded as Category:Deaths in Castro Valley, California[19].
  • Castro Valley's number of households is recorded as {'amount': '+22071'}[20].
  • Castro Valley's category of associated people is recorded as Category:People from Castro Valley, California[21].
  • Castro Valley sits at an elevation of {'unit': 'Q11573', 'amount': '+50'}[22].
  • Castro Valley covers an area of {'unit': 'Q25343', 'amount': '+43820008'}[23].
  • Castro Valley covers an area of {'unit': 'Q712226', 'amount': '+43.818592'}[24].
  • Castro Valley's water as percent of area is recorded as {'unit': 'Q11229', 'amount': '+1.6779'}[25].
  • Castro Valley's water area is recorded as {'unit': 'Q712226', 'amount': '+0.735213'}[26].
  • Castro Valley's per capita income is recorded as {'unit': 'Q4917', 'amount': '+49004'}[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'}[23] and {'unit': 'Q712226', 'amount': '+43.818592'}[24]. Castro Valley sits at an elevation of {'unit': 'Q11573', 'amount': '+50'}[22]. Population counts include {'amount': '+61388'}[14], {'amount': '+4145'}[15], and {'amount': '+66441'}[16].

Designation and Status

Recorded instance of include census-designated place in the United States[5] and unincorporated community[6].

Why It Matters

Castro Valley ranks in the top 1% of census_designated_place_in_the_united_states entities by monthly Wikipedia readership (3,492 views/month).[2] It has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[28] It is known by 19 alternative names across languages and contexts.[29]

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. [3] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . 2010 U.S. Gazetteer Files. Retrieved . data.census.gov. Provenance: wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . 2020 United States Census. Retrieved . data.census.gov. Provenance: wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . 2016–2020 American Community Survey. Retrieved . data.census.gov. Provenance: wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . 2010 U.S. Gazetteer Files. Retrieved . wikidata.org.
  23. [25] ↑ . 2010 U.S. Gazetteer Files. Retrieved . wikidata.org.
  24. [26] ↑ . 2010 United States Census. Retrieved . wikidata.org.
  25. [27] ↑ . 2016–2020 American Community Survey. Retrieved . data.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). Castro Valley. Retrieved October 7, 2026, from https://4ort.xyz/entity/castro-valley
MLA “Castro Valley.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Oct. 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: 2026-10-07}}
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 2026-10-07)

Canonical URL: https://4ort.xyz/entity/castro-valley · 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. 10d ago · Printstream · 2026-09-27 view diff on Wikidata ↗
    Sitelink count → 37
    Wikipedia languages → ['bg', 'ca', 'ce', 'ceb', 'cs', 'de', 'en', 'es', 'eu', 'fa', 'fi', 'fr', 'glk',
    Gnd id → 2163560-2
    Claims rich → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/56529|batch #56529]]: Import GNDs from dewiki"
  2. 7w ago · RVA2869 · 2026-08-13 view diff on Wikidata ↗
    Water area → {'unit': 'Q712226', 'amount': '+0.735213'}
    Located in the administrative territorial entity → Alameda County
    Category of associated people → Category:People from Castro Valley, California
    Coordinate location → {'lat': 37.71, 'lon': -122.06}
    + 18 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/47156|batch #47156]]: redundant value, already present at higher administrative level"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.