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Johnson County

county in Iowa, United States
AdministrativeArea county_of_iowa Q485746
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Johnson County

Summary

Johnson County is a county of Iowa[1]. It ranks in the top 2% of county_of_iowa entities by monthly Wikipedia readership (313 views/month).[2]

Key Facts

  • Johnson County is located in Iowa[3].
  • Johnson County is in the country of United States[4].
  • Johnson County's instance of is recorded as county of Iowa[5].
  • Johnson County's capital is recorded as Iowa City[6].
  • Johnson County's shares border with is recorded as Linn County[7].
  • Johnson County's shares border with is recorded as Washington County[8].
  • Johnson County's shares border with is recorded as Muscatine County[9].
  • Johnson County's shares border with is recorded as Louisa County[10].
  • Johnson County's shares border with is recorded as Cedar County[11].
  • Johnson County's shares border with is recorded as Iowa County[12].
  • Johnson County's shares border with is recorded as Benton County[13].
  • Richard Mentor Johnson is named after Johnson County[14].
  • Johnson County's contains the administrative territorial entity is recorded as Iowa City[15].
  • Johnson County's Commons category is recorded as Johnson County, Iowa[16].
  • December 21, 1837 marks the founding of Johnson County[17].
  • Johnson County's coordinate location is recorded as {'latitude': 41.666666666667, 'longitude': -91.583333333333}[18].
  • Johnson County's official website is recorded as http://www.johnson-county.com[19].
  • Johnson County's topic's main category is recorded as Category:Johnson County, Iowa[20].
  • Johnson County has a population of {'amount': '+130882'}[21].
  • Johnson County has a population of {'amount': '+131244'}[22].
  • Johnson County has a population of {'amount': '+133477'}[23].
  • Johnson County has a population of {'amount': '+136428'}[24].
  • Johnson County has a population of {'amount': '+139155'}[25].
  • Johnson County has a population of {'amount': '+144251'}[26].
  • Johnson County has a population of {'amount': '+152854'}[27].

Body

Geography

Johnson County is in the country of United States[4]. It is located in Iowa[3].

Physical Characteristics

Johnson County covers an area of {'amount': '+1614'}[28]. Population counts include {'amount': '+130882'}[21], {'amount': '+131244'}[22], {'amount': '+133477'}[23], {'amount': '+136428'}[24], {'amount': '+139155'}[25], and {'amount': '+144251'}[26].

Designation and Status

Johnson County's instance of is recorded as county of Iowa[5].

History and Context

December 21, 1837 marks the founding of Johnson County[17]. Richard Mentor Johnson is named after it[14].

Why It Matters

Johnson County ranks in the top 2% of county_of_iowa entities by monthly Wikipedia readership (313 views/month).[2] It has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[29] It is known by 32 alternative names across languages and contexts.[30]

Related Entities

Iowa Richard Mentor Johnson 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. [3] ↑ . 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] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [29] ↑ . Wikidata sitelinks. wikidata.org.
  3. [30] ↑ . 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). Johnson County. Retrieved May 3, 2026, from https://4ort.xyz/entity/johnson-county-q485746
MLA “Johnson County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/johnson-county-q485746.
BibTeX @misc{4ortxyz_johnson-county-q485746_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Johnson County}}, year = {2026}, url = {https://4ort.xyz/entity/johnson-county-q485746}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Johnson County — https://4ort.xyz/entity/johnson-county-q485746 (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. 21d ago · Theklan · 2026-09-04 view diff on Wikidata ↗
    Inception → +1837-12-21T00:00:00Z
    Named after → —
    Located in → —
    Contains the administrative territorial entity → Iowa City
    + 32 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P14687]]: Data:US presidential elections by county/Johnson County, Iowa.tab, Link US presidential election dataset (P14687, subject: United States presidential "
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.