Ontario

city located in south west San Bernardino County, California, United States
Place big_city Q488134
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Ontario

Summary

Ontario is a big city[1]. Ontario draws 664 Wikipedia views per month (big_city category, ranking #96 of 300).[2]

Key Facts

  • Ontario is located in San Bernardino County[3].
  • Ontario is in the country of United States[4].
  • Ontario's head of government is recorded as Paul Leon[5].
  • Ontario's image is recorded as Ontario Convention Center.jpg[6].
  • Ontario's instance of is recorded as big city[7].
  • Ontario's instance of is recorded as city of California[8].
  • Ontario's flag image is recorded as Flag of Ontario, California.png[9].
  • Ontario's shares border with is recorded as Upland[10].
  • Ontario's coat of arms image is recorded as Seal of Ontario, California.png[11].
  • Ontario is named after Ontario[12].
  • Ontario's logo image is recorded as Logo of Ontario, California.png[13].
  • Ontario's seal image is recorded as Seal of Ontario, California.png[14].
  • Ontario's twinned administrative body is recorded as Brockville[15].
  • Ontario's twinned administrative body is recorded as East Coast Bays[16].
  • Ontario's twinned administrative body is recorded as Guamúchil[17].
  • Ontario's twinned administrative body is recorded as Mocorito[18].
  • Ontario's twinned administrative body is recorded as Winterthur[19].
  • Ontario's twinned administrative body is recorded as Los Mochis[20].
  • Ontario's VIAF cluster ID is recorded as 141912648[21].
  • Ontario's GND ID is recorded as 4043564-7[22].
  • Ontario's locator map image is recorded as San Bernardino County California Incorporated and Unincorporated areas Ontario Highlighted.svg[23].
  • Ontario's Library of Congress authority ID is recorded as n82041153[24].
  • Ontario's postal code is recorded as 91758[25].
  • Ontario's postal code is recorded as 91761[26].
  • Ontario's postal code is recorded as 91762[27].

Body

Geography

Ontario is in the country of United States[4]. Ontario is located in San Bernardino County[3].

Physical Characteristics

Areas include {'unit': 'Q712226', 'amount': '+129.488843'}[28] and {'unit': 'Q712226', 'amount': '+129.514953'}[29]. Ontario's elevation above sea level is recorded as {'unit': 'Q11573', 'amount': '+306'}[30]. Population counts include {'amount': '+683'}[31], {'amount': '+163924'}[32], and {'amount': '+175265'}[33].

Designation and Status

Recorded instance of include big city[7] and city of California[8].

History and Context

Ontario is named after Ontario[12].

Cultural Significance

Things named for Ontario include Ontario International Airport[34], an international airport[35], in United States[36].

Why It Matters

Ontario draws 664 Wikipedia views per month (big_city category, ranking #96 of 300).[2] Ontario has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[37] Ontario is known by 6 alternative names across languages and contexts.[38]

Entities named for Ontario include Ontario International Airport[34], an international airport[35], in United States[36].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [5] . ontarioca.gov. Retrieved . ontarioca.gov. Provenance: wikidata.org.
  2. [4] . 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] . Der Landbote. Retrieved . ontarioca.gov. Provenance: wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . Virtual International Authority File. Retrieved . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.
  26. [31] . wikidata.org.
  27. [32] . 2010 United States Census. Retrieved . census.gov. Provenance: wikidata.org.
  28. [33] . 2020 United States Census. Retrieved . data.census.gov. Provenance: wikidata.org.
  29. [30] . wikidata.org.
  30. [28] . 2016 U.S. Gazetteer Files. wikidata.org.
  31. [29] . 2010 United States Census. Retrieved . census.gov. Provenance: wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [34] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [35] . Wikidata. wikidata.org. → on this site
  2. [36] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [37] . Wikidata sitelinks. wikidata.org.
  3. [38] . 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). Ontario. Retrieved April 10, 2026, from https://4ort.xyz/entity/ontario-q488134
MLA “Ontario.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/ontario-q488134.
BibTeX @misc{4ortxyz_ontario-q488134_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ontario}}, year = {2026}, url = {https://4ort.xyz/entity/ontario-q488134}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ontario — https://4ort.xyz/entity/ontario-q488134 (retrieved 2026-04-10)

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