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Cook County

county in Illinois, United States
AdministrativeArea county_of_illinois Q108418
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Cook County

Summary

Cook County is a county of Illinois[1]. It ranks in the top 0.98% of county_of_illinois entities by monthly Wikipedia readership (1,029 views/month, #1 of 102).[2]

Key Facts

  • Cook County is located in Illinois[3].
  • Cook County is in the country of United States[4].
  • Cook County's instance of is recorded as county of Illinois[5].
  • Cook County's capital is recorded as Chicago[6].
  • Cook County's shares border with is recorded as McHenry County[7].
  • Cook County's shares border with is recorded as Lake County[8].
  • Cook County's shares border with is recorded as Lake County[9].
  • Cook County's shares border with is recorded as Will County[10].
  • Cook County's shares border with is recorded as DuPage County[11].
  • Cook County's shares border with is recorded as Kane County[12].
  • Cook County's shares border with is recorded as Porter County[13].
  • Cook County's shares border with is recorded as Berrien County[14].
  • Daniel Pope Cook is named after Cook County[15].
  • Cook County's contains the administrative territorial entity is recorded as Barrington[16].
  • Cook County's contains the administrative territorial entity is recorded as Oak Lawn[17].
  • Cook County's contains the administrative territorial entity is recorded as Bridgeview[18].
  • Cook County's contains the administrative territorial entity is recorded as Chicago[19].
  • Cook County's contains the administrative territorial entity is recorded as Maywood[20].
  • Cook County's contains the administrative territorial entity is recorded as Glenview[21].
  • Cook County's flag is recorded as flag of Cook County[22].
  • Cook County's Commons category is recorded as Cook County, Illinois[23].
  • Cook County's located in time zone is recorded as Central Time Zone[24].
  • Cook County's located in time zone is recorded as UTC−06:00[25].
  • Cook County's located in time zone is recorded as UTC−05:00[26].
  • January 15, 1831 marks the founding of Cook County[27].

Body

Geography

Cook County is in the country of United States[4]. It is located in Illinois[3].

Physical Characteristics

Cook County covers an area of {'unit': 'Q712226', 'amount': '+4235'}[28]. It sits at an elevation of {'unit': 'Q11573', 'amount': '+950'}[29]. Population counts include {'amount': '+5194675'}[30], {'amount': '+5198853'}[31], {'amount': '+5212589'}[32], {'amount': '+5227992'}[33], {'amount': '+5240700'}[34], and {'amount': '+5238216'}[35].

Designation and Status

Cook County's instance of is recorded as county of Illinois[5].

History and Context

January 15, 1831 marks the founding of Cook County[27]. Daniel Pope Cook is named after it[15].

Why It Matters

Cook County ranks in the top 0.98% of county_of_illinois entities by monthly Wikipedia readership (1,029 views/month, #1 of 102).[2] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[36] It is known by 18 alternative names across languages and contexts.[37]

Related Entities

Dominican University Illinois Nick Fuentes Northwestern University United States

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. [12] ↑ . wikidata.org.
  10. [13] ↑ . wikidata.org.
  11. [14] ↑ . wikidata.org.
  12. [3] ↑ . 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] ↑ . wikidata.org.
  26. [30] ↑ . 2010 United States Census. Retrieved . census.gov. Provenance: wikidata.org.
  27. [31] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  28. [32] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  29. [33] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  30. [34] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  31. [35] ↑ . Population Estimates Program. census.gov. Provenance: wikidata.org.
  32. [29] ↑ . wikidata.org.
  33. [28] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [36] ↑ . Wikidata sitelinks. wikidata.org.
  3. [37] ↑ . 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). Cook County. Retrieved May 3, 2026, from https://4ort.xyz/entity/cook-county-q108418
MLA “Cook County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cook-county-q108418.
BibTeX @misc{4ortxyz_cook-county-q108418_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cook County}}, year = {2026}, url = {https://4ort.xyz/entity/cook-county-q108418}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cook County — https://4ort.xyz/entity/cook-county-q108418 (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. 7d ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Category for people born here → Category:Births in Cook County, Illinois
    Elevation above sea level → {'unit': 'Q11573', 'amount': '+950'}
    Topic's main category → Category:Cook County, Illinois
    Water as percent of area → {'unit': 'Q11229', 'amount': '+42.2'}
    + 38 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.