Harford County, Maryland


Founding: 1774
Parent county: Baltimore
Namesake: Henry Harford, Maryland proprietor
Seat: Bel Air (1782–)
Land area: 437 square miles
Population (2020): 260,924
Population (historic): 14,976 (1790); 17,120 (1840); 22,605 (1870); 28,269 (1900); 31,603 (1930)
Periods of population growth: pre-1790–1810; 1820–1860; 1870–1890; 1910–2020
Subdivisions: Two cities; one town; 13 CDPs
National Register listings: 80
Pre-1940 residences (estimated): 4,549 (4.4%)
Pre-1940 housing survival rate: 65.3%
Pre-1860 housing survival rate (1940): 36.1%
Farm housing in disrepair (1950): 10.1%
Nonfarm housing in disrepair (1950): 7.2%
Average farmhouse value (1930): $2,851
Average outbuilding value (1930): $2,406
Average farmhouse size (1940): 6.4 rooms
Number of farms (1920): 2,399
Average farm size (1920): 64.6 acres
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Bel Air
 
Namesake: The French word belleaire ("lovely manner")
Founding: 1780 (platting); 1794 (post office); 1874 (incorporation)
Population (2020): 10,661
Population (historic): 255 (1850); 633 (1870); 1,416 (1890); 1,005 (1910); 1,650 (1930)
Periods of population growth: pre-1850; 1860–1890; 1900–2020
Pre-1940 residences (estimated): 227 (4.4%)
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Outstanding Buildings

  1. *St. Francis de Sales Catholic Church (1866). 1450 Abingdon Road. Romanesque.
  2. *Swansbury / Alexander Smith House (c. 1800). 111 Beard’s Hill Road. Federal.
  3. *Blenheim / Henry Osborn House (c. 1875). 1350 Blenheim Farm Lane. Eastlake.
  4. *Mount Pleasant / Charles Bryan House (1907). 1250 Bulle Rock Parkway. Georgian Revival.
  5. *Winsted / Christian Hoopman House (c. 1810/1840). 3844 West Chapel Road. Greek Revival.
  6. *John Cole House (1897). 1737 East Churchville Road. Eastlake.
  7. *Gray Gables / Helen Stokes House (c. 1886). 4528 Conowingo Road. Queen Anne.
  8. *Fair Meadows / Clement Dietrich House (1868). 2416 Creswell Road. Second Empire.
  9. *Harmony Presbyterian Church (1872). 440 Darlington Road. Gothic Revival.
  10. *William Silver Farm (1857–1858). 521 Darlington Road. Italianate.
  11. *John Price House (c. 1855). 3201 Deth’s Ford Road. Italianate.
  12. *James Stansbury House (c. 1861). 1616 Eden Mill Road. Italianate.
  13. *Jeremiah Silver Farm (1853–1855). 337 Fox Road. Greek Revival.
  14. *William Finney House (c. 1825). 517 Glenville Road. Federal.
  15. *Hidden Valley Farm / Joshua Green House (c. 1860). 2916 Greene Road. Italianate/Gothic Revival.
  16. *Lansdowne / Hugh Jewett Farm (1770/1890s). 3300 Harmony Church Road. Queen Anne.
  17. *Silverton / Silas Silver House (1858). 3643 Harmony Church Road. Italianate.
  18. *Benjamin Silver Farm (1856). 3646 Harmony Church Road. Greek Revival.
  19. Watters Memorial Methodist Church (c. 1880). 1452 Jarrettsville Road. Gothic Revival.
  20. *St. Ignatius Catholic Church (c. 1789/1822/1848/1865). 533 East Jarrettsville Road. Greek Revival.
  21. *Bon Air / Francois de la Porte Farm (1794). 2501 Laurel Brook Road.
  22. *Mount Felix / Giles Farm (c. 1820). 2000 Level Road. Federal.
  23. *Sion Hill / Ireland–Rogers Farm (c. 1785/1806). 2026 Level Road. Georgian.
  24. *Holy Trinity Episcopal Church (1878). 2929 Level Road. Gothic Revival.
  25. *Winstone / Daniel Smith House (1885). 2100 Main Street. Queen Anne.
  26. Bethel Presbyterian Church (1888). 4141 Norrisville Road. Gothic Revival.
  27. *James Maxwell House (1720–1724). 700 Old Church Drive.
  28. *Olney / John Norris Farm (c. 1810/1850). 1001 Old Joppa Road. Federal/Greek Revival.
  29. *Indian Spring / Stump–Janney Farm (c. 1830/1865). 856 Priestford Road. Gothic Revival.
  30. *Giles House (c. 1790). 461 Quaker Bottom Road.
  31. *John Carter House (1804). Rock Run Road, southwest of Stafford Road.
  32. Holy Cross Episcopal Church (1888). 4603 Rocks Road. Gothic Revival.
  33. *St. Mary of the Assumption Catholic Church (1895). 1021 St. Mary’s Road. Eclectic.
  34. *St. Mary’s Episcopal Church (1851). 1 St. Mary’s Church Road. Gothic Revival.
  35. *Thomas Hays House (1808). 401 Thomas Run Road. Federal.
  36. *Tudor Hall / Junius Booth House (c. 1847). 17 Tudor Lane. Gothic Revival.








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