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St. Mary's County

county in Maryland, United States
AdministrativeArea county_of_maryland Q511120
St. Mary's County
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St. Mary's County

Summary

St. Mary's County is a county of Maryland[1]. It draws 208 Wikipedia views per month (county_of_maryland category, ranking #8 of 23).[2]

Key Facts

  • St. Mary's County is located in Maryland[3].
  • St. Mary's County is in the country of United States[4].
  • St. Mary's County is on the body of water Wicomico River[5].
  • St. Mary's County is on the body of water Chesapeake Bay[6].
  • St. Mary's County is on the body of water Patuxent River[7].
  • St. Mary's County is on the body of water Potomac River[8].
  • St. Mary's County's instance of is recorded as county of Maryland[9].
  • St. Mary's County's capital is recorded as Leonardtown[10].
  • St. Mary's County's shares border with is recorded as Charles County[11].
  • St. Mary's County's shares border with is recorded as Calvert County[12].
  • St. Mary's County's shares border with is recorded as Dorchester County[13].
  • St. Mary's County's shares border with is recorded as Somerset County[14].
  • St. Mary's County's shares border with is recorded as Westmoreland County[15].
  • St. Mary's County's shares border with is recorded as Northumberland County[16].
  • Mary is named after St. Mary's County[17].
  • St. Mary's County's contains the administrative territorial entity is recorded as Leonardtown[18].
  • St. Mary's County's Commons category is recorded as St. Mary's County, Maryland[19].
  • St. Mary's County's located in time zone is recorded as Eastern Time Zone[20].
  • St. Mary's County's located in time zone is recorded as UTC−05:00[21].
  • St. Mary's County's located in time zone is recorded as UTC−04:00[22].
  • 1637 marks the founding of St. Mary's County[23].
  • St. Mary's County's coordinate location is recorded as {'lat': 38.252222222222, 'lon': -76.563611111111}[24].
  • St. Mary's County's official website is recorded as https://www.stmarysmd.com/[25].
  • St. Mary's County's official website is recorded as https://www.stmaryscountymd.gov/[26].
  • St. Mary's County's topic's main category is recorded as Category:St. Mary's County, Maryland[27].

Body

Geography

St. Mary's County is in the country of United States[4]. It is located in Maryland[3]. Adjacent water bodies include Wicomico River[5], a river[28], in United States[29]; Chesapeake Bay[6], an estuary[30], in United States[31]; Patuxent River[7], a river[32], in United States[33]; and Potomac River[8], a river[34], in United States[35].

Physical Characteristics

St. Mary's County covers an area of {'unit': 'Q712226', 'amount': '+1582'}[36]. Population counts include {'amount': '+105151'}[37], {'amount': '+105741'}[38], {'amount': '+107756'}[39], {'amount': '+108993'}[40], {'amount': '+109633'}[41], and {'amount': '+111413'}[42].

Designation and Status

St. Mary's County's instance of is recorded as county of Maryland[9].

History and Context

1637 marks the founding of St. Mary's County[23]. Mary is named after it[17].

Why It Matters

St. Mary's County draws 208 Wikipedia views per month (county_of_maryland category, ranking #8 of 23).[2] It has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[43] It is known by 31 alternative names across languages and contexts.[44]

Related Entities

Mary Maryland Naval Air Station Patuxent River United States

References

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

Direct Wikidata claims

  1. [4] ↑ . Library of Congress Name Authority File. Retrieved . wikidata.org.
  2. [9] ↑ . Library of Congress Name Authority File. Retrieved . msa.maryland.gov. Provenance: wikidata.org.
  3. [10] ↑ . Gazetteer. Retrieved . msa.maryland.gov. Provenance: wikidata.org.
  4. [11] ↑ . Maryland Manual. Retrieved . msa.maryland.gov. Provenance: wikidata.org.
  5. [12] ↑ . Q15221937. Retrieved . wikidata.org.
  6. [13] ↑ . Q15221937. Retrieved . wikidata.org.
  7. [14] ↑ . Q15221937. Retrieved . wikidata.org.
  8. [15] ↑ . Q15221937. Retrieved . wikidata.org.
  9. [16] ↑ . Q15221937. Retrieved . wikidata.org.
  10. [3] ↑ . Library of Congress Name Authority File. Retrieved . wikidata.org.
  11. [17] ↑ . wikidata.org.
  12. [18] ↑ . Maryland Manual. Retrieved . msa.maryland.gov. Provenance: wikidata.org.
  13. [5] ↑ . Maryland Manual. Retrieved . msa.maryland.gov. Provenance: wikidata.org.
  14. [6] ↑ . Maryland Manual. Retrieved . msa.maryland.gov. Provenance: wikidata.org.
  15. [7] ↑ . Maryland Manual. Retrieved . msa.maryland.gov. Provenance: wikidata.org.
  16. [8] ↑ . Maryland Manual. Retrieved . msa.maryland.gov. Provenance: 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] ↑ . Thomson Reuters Open Perm ID. Retrieved . wikidata.org.
  24. [26] ↑ . co.saint-marys.md.us. Retrieved . co.saint-marys.md.us. Provenance: wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [37] ↑ . census.gov. Retrieved . census.gov. Provenance: wikidata.org.
  27. [38] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  28. [39] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  29. [40] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  30. [41] ↑ . census.gov. census.gov. Provenance: wikidata.org.
  31. [42] ↑ . Population Estimates Program. census.gov. Provenance: wikidata.org.
  32. [36] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [28] ↑ . Wikidata. wikidata.org. → on this site
  2. [29] ↑ . Wikidata. wikidata.org. → on this site
  3. [30] ↑ . Wikidata. wikidata.org. → on this site
  4. [31] ↑ . Wikidata. wikidata.org. → on this site
  5. [32] ↑ . Wikidata. wikidata.org. → on this site
  6. [33] ↑ . Wikidata. wikidata.org. → on this site
  7. [34] ↑ . Wikidata. wikidata.org. → on this site
  8. [35] ↑ . 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. [43] ↑ . Wikidata sitelinks. wikidata.org.
  3. [44] ↑ . 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). St. Mary's County. Retrieved May 3, 2026, from https://4ort.xyz/entity/st-mary-s-county
MLA “St. Mary's County.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/st-mary-s-county.
BibTeX @misc{4ortxyz_st-mary-s-county_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{St. Mary's County}}, year = {2026}, url = {https://4ort.xyz/entity/st-mary-s-county}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): St. Mary's County — https://4ort.xyz/entity/st-mary-s-county (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. 20d ago · Mahir256 · 2026-05-13 view diff on Wikidata ↗
    Contains the administrative territorial entity → Leonardtown
    Instance of → —
    Located in the administrative territorial entity → Maryland
    Number of households → {'amount': '+41280'}
    + 35 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.