Carroll County, Maryland


Founding: 1836
Parent counties: Baltimore and Frederick
Namesake: Charles Carroll, Maryland politician
Seat: Westminster (1837–)
Land area: 448 square miles
Population (2020): 172,891
Population (historic): 17,242 (1840); 24,533 (1860); 30,992 (1880); 33,860 (1900); 35,978 (1930)
Periods of population growth: pre-1840–2020
Subdivisions: Two cities; six towns; one CDP
National Register listings: 62
Pre-1940 residences (estimated): 7,226 (11.4%)
Pre-1940 housing survival rate: 81%
Pre-1860 housing survival rate (1940): 33.8%
Average farmhouse value (1930): $1,668
Average outbuilding value (1930): $1,434
Farm housing in disrepair (1950): 7.1%
Nonfarm housing in disrepair (1950): 6.1%
Average farmhouse size (1940): 7.1 rooms
Number of farms (1920): 3,518
Average farm size (1920): 59 acres
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Westminster
 
Namesake: Uncertain—perhaps Westminster, England
Founding: 1764 (platting as Winchester); 1800 (post office); 1818 (incorporation)
Population (2020): 20,126
Population (historic): 884 (1850); 2,310 (1870); 2,908 (1890); 3,295 (1910); 4,463 (1930)
Periods of population growth: pre-1850–1950; 1960–2020
Pre-1940 residences (estimated): 1,158 (15.2%)
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Outstanding Buildings

  1. *George–Polk House (c. 1860/1885). 7220 Caracara Court. Italianate.
  2. *Wesley Methodist Church (1921). 3239 Carrollton Road. Gothic Revival.
  3. Wentz House (c. 1865). 2226 Ebbvale Road. Italianate.
  4. *Cold Saturday / William McCreary Farm (c. 1800/1885). 3251 Gamber Road. Federal.
  5. *Joseph Hibberd House (c. 1840). 801 Green Valley Road. Greek Revival.
  6. *Allen Farquhar House (c. 1790). Green Valley Road, west of Phillips Lane.
  7. *Wilson's Inheritance / Lewis Shuey Farm (1837–1838). 4400 Green Valley Road.
  8. *John Payne Farm (c. 1860). 2810 Hoffman Mill Road.
  9. George Dutterer Farm (c. 1860/1900). 6325 Keysville Road. Italianate/Queen Anne.
  10. *Hard Lodging / Solomon Shepherd House (1790). 4623 Ladiesburg Road.
  11. *Shriver Mill (1797). 3311 Littlestown Pike.
  12. *Union Mills Farm / Shriver Farm (1797). 3311 Littlestown Pike. Federal.
  13. *Mount Pleasant / William Farquhar Farm (c. 1815). 200 West Locust Street. Federal.
  14. *James Murray Farm (c. 1800/1830/1883). 2773 Marston Road.
  15. *Eigler House (c. 1800). 8250 Mumma Ford Road. Federal.
  16. *Daniel Engel Farm (c. 1845). Old New Windsor Road, south of New Windsor. Razed.
  17. *Milton Chew Farm (1894). 1434 Old Westminster Pike. Italianate/Eastlake.
  18. *Rockland Farm / Michael Arter Farm (1795). 201 Rockland Road.
  19. *Avalon / Francis Hollingsworth House (c. 1814). 1111 Slingluff Road. Federal.
  20. *William Biggs Farm (1793). 8212 Sixes Bridge Road.
  21. *John Smith Farm (c. 1845). 524 Smith Lane.
  22. *Avondale / Leigh Masters House (c. 1790). 501 Stone Chapel Road. Federal.
  23. *Stone Chapel Methodist Church (1884). 1448 Stone Chapel Road. Gothic Revival.
  24. *Roop Mill (1816). 1001 Taneytown Pike.
  25. *David Roop House (c. 1825/1900). 1001 Taneytown Pike.
  26. *Meadow Brook Farm / Roop Farm (c. 1805/1868). 1006 Taneytown Pike. Italianate.
  27. *Trevanion / Kephart–Dallas House (1817/1855/1857). 1800 Trevanion Road. Italianate.
  28. *John Williams Farm (c. 1830/1877). 3201 Uniontown Road. Italianate.
  29. *Somerset Waters House (c. 1860). 7111 Watersville Road. Italianate.








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