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Delaware County

county in Pennsylvania, United States
AdministrativeArea county_of_pennsylvania Q27844
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Summary

Delaware County is a county of Pennsylvania[1]. It ranks in the top 9% of county of pennsylvania entities by monthly Wikipedia readership (2,564 views/month).[2]

Key Facts

  • Located in the administrative territorial entity: Pennsylvania[3]
  • Country: United States[4]
  • Instance of: home rule county of Pennsylvania[5]
  • Capital: Media[6]
  • Shares border with: Montgomery County[7], Philadelphia County[8], Gloucester County[9], New Castle County[10], Chester County[11]
  • Named after: Delaware River[12]
  • Part of: Philadelphia Region[13]
  • Commons category: Delaware County, Pennsylvania[14]
  • Inception: September 26, 1789[15]
  • Coordinate location: 39.92, -75.4[16]
  • Official website: http://www.co.delaware.pa.us[17]
  • Topic's main category: Category:Delaware County, Pennsylvania[18]
  • Population: 558,979[19], 559,033[20], 559,058[21], 560,699[22], 561,973[23], 563,894[24], 576,830[25]
  • Official name: Delaware County[26]
  • List of monuments: National Register of Historic Places listings in Delaware County, Pennsylvania[27]
  • Category for people born here: Category:Births in Delaware County, Pennsylvania[28]
  • Category for people who died here: Category:Deaths in Delaware County, Pennsylvania[29]
  • Number of households: 209,596[30]
  • Native label: Delaware County[31]
  • NCI Thesaurus ID: C109954[32]
  • Category of associated people: Category:People from Delaware County, Pennsylvania[33]
  • Different from: Delaware County[34]
  • Area: 494[35]
  • Water as percent of area: 3.5[36]
  • Category for maps or plans: Category:Maps of Delaware County, Pennsylvania[37]

Why It Matters

Delaware County has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[38] It is known by 32 alternative names across languages and contexts.[39]

Related Entities

Chester Cheyney University of Pennsylvania Delaware County Community College Delaware River Eastern University Pennsylvania 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. [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] ↑ . 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.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.
  29. [31] ↑ . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . wikidata.org.
  34. [36] ↑ . wikidata.org.
  35. [37] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [38] ↑ . Wikidata sitelinks. wikidata.org.
  3. [39] ↑ . 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). Delaware County. Retrieved October 11, 2026, from https://4ort.xyz/entity/delaware-county
MLA “Delaware County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/delaware-county.
BibTeX @misc{4ortxyz_delaware-county_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Delaware County}}, year = {2026}, url = {https://4ort.xyz/entity/delaware-county}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Delaware County — https://4ort.xyz/entity/delaware-county (retrieved 2026-10-11)

Canonical URL: https://4ort.xyz/entity/delaware-county · 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. 5w ago · Theklan · 2026-09-04 view diff on Wikidata ↗
    P14687 → Data:US presidential elections by county/Delaware County, Pe
    "/* wbsetclaim-create:2||1 */ P14687: Data:US presidential elections by county/Delaware County, Pennsylvania.tab, Link US presidential election dataset (P14687, subject: United States pres"
  2. 21w ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Located in the administrative territorial entity → Pennsylvania
    Obo gazetteer id → 22225360
    Instance of → —
    Capital → Media
    + 34 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.