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New Castle County

county in Delaware, United States
AdministrativeArea county_of_delaware Q156156
New Castle County
W. S. Stewart · Public Domain · Wikimedia
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Summary

New Castle County is a county of Delaware[1]. It draws 1,756 Wikipedia views per month (county of delaware category, ranking #1 of 3).[2]

Key Facts

  • Located in the administrative territorial entity: Delaware[3]
  • Country: United States[4]
  • Capital: Wilmington[5]
  • Shares border with: Chester County[6], Delaware County[7], Gloucester County[8], Salem County[9], Kent County[10], Cecil County[11]
  • Named after: New Castle[12]
  • Follows: New Amstel[13]
  • Commons category: New Castle County, Delaware[14]
  • Inception: 1664[15]
  • Coordinate location: 39.58, -75.64[16]
  • Official website: http://www.nccde.org[17], https://www.newcastlede.gov[18], http://www.co.new-castle.de.us/[19]
  • Topic's main category: Category:New Castle County, Delaware[20]
  • Population: 538,479[21], 538,845[22], 542,354[23], 546,140[24], 549,684[25], 556,779[26], 570,719[27]
  • Described by source: The American Cyclopædia[28]
  • Topic has template: Template:New Castle County, Delaware[29]
  • Category for people born here: Category:Births in New Castle County, Delaware[30]
  • Category for people who died here: Category:Deaths in New Castle County, Delaware[31]
  • Number of households: 233,747[32], 217,511[33], 209,431[34]
  • Native label: New Castle County[35]
  • NCI Thesaurus ID: C108005[36]
  • Category of associated people: Category:People from New Castle County, Delaware[37]
  • Different from: New Castle[38]
  • Area: 1278[39]
  • Water as percent of area: 13.8[40]
  • Street address: 87 Read’s Way, New Castle, DE 19720[41], 800 North French Street, Wilmington, DE 19801[42]
  • Category for maps or plans: Category:Maps of New Castle County, Delaware[43]

Why It Matters

New Castle County has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[44] It is known by 36 alternative names across languages and contexts.[45]

Related Entities

Delaware 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.
  36. [38] ↑ . wikidata.org.
  37. [39] ↑ . wikidata.org.
  38. [40] ↑ . wikidata.org.
  39. [41] ↑ . wikidata.org.
  40. [42] ↑ . wikidata.org.
  41. [43] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [44] ↑ . Wikidata sitelinks. wikidata.org.
  3. [45] ↑ . 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). New Castle County. Retrieved October 14, 2026, from https://4ort.xyz/entity/new-castle-county
MLA “New Castle County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/new-castle-county.
BibTeX @misc{4ortxyz_new-castle-county_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{New Castle County}}, year = {2026}, url = {https://4ort.xyz/entity/new-castle-county}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): New Castle County — https://4ort.xyz/entity/new-castle-county (retrieved 2026-10-14)

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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. 5w ago · Theklan · 2026-09-04 view diff on Wikidata ↗
    P14687 → Data:US presidential elections by county/New Castle County,
    "/* wbsetclaim-create:2||1 */ P14687: Data:US presidential elections by county/New Castle County, Delaware.tab, Link US presidential election dataset (P14687, subject: United States presid"
  2. 22w ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Obo gazetteer id → 22222226
    Taxonomicon id → 1804730
    Umls cui → C3827268
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31546|batch #31546]]"
  3. 22w ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Nci thesaurus id → C108005
    Local thumb → —
    "/* wbcreateclaim-create:1| */ Nci thesaurus id: C108005, #quickstatements; #temporary_batch_1778695477825"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.