Hamilton County, Ohio



Founding: 1790
Parent county: Unorganized territory
Namesake: Alexander Hamilton, Founding Father
Seat: Cincinnati (1790–)
Land area: 406 square miles
Population (2020): 830,639
Population (historic): 14,692 (1800); 156,844 (1850); 313,374 (1880); 409,479 (1900); 589,356 (1930)
Periods of population growth: pre-1800–1970; 2010s
Subdivisions: 21 cities; 17 villages; 49 CDPs; 12 townships
Pre-1940 residences (estimated): 99,007 (26.3%)
Pre-1940 housing survival rate: 50.1%
Pre-1860 housing survival rate (1940): 19.4%
Farm housing in disrepair (1950): 6.7%
Nonfarm housing in disrepair (1950): 6.3%
Average farmhouse value (1930): $2,751
Average outbuilding value (1930): $2,061
Average farmhouse size (1940): 5.8 rooms
Number of farms (1920): 3,741
Average farm size (1920): 37.5 acres
Sources of settlement: Germany, Ireland, Pennsylvania, Virginia, and New Jersey
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Cincinnati

Namesake: The Society of the Cincinnati, an organization of Continental Army veterans
Founding: 1788 (platting as Losantiville); 1794 (post office); 1802 (incorporation)
Population (2020): 309,317
Population (historic): 850 (1800); 24,831 (1830); 161,044 (1860); 325,902 (1900); 451,160 (1930)
Periods of population growth: pre-1800–1950; 2010s
Pre-1940 residences (estimated): 94,851 (25.1%)
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Outstanding Buildings

  1. Ichabod Miller House (1796). 6550 Clough Pike. Anderson.
  2. William Edwards House (1839). 3851 Edwards Road. Anderson. Greek Revival.
  3. William Markley House (c. 1850). 515 Five Mile Road. Anderson. Greek Revival.
  4. John Markley House (c. 1860). 6916 Five Mile Road. Anderson. Greek Revival/Italianate.
  5. George Martin House (c. 1815). 862 Four Mile Road. Anderson. Razed.
  6. Cyrus Broadwell House (c. 1840). 3882 Mount Carmel Road. Anderson. Greek Revival.
  7. Ambrose Broadwell House (1861). 4040 Mount Carmel Road. Anderson. Greek Revival/Gothic Revival.
  8. William Harrison House (c. 1825). Newtown Road, northeast of Valley Avenue. Anderson. Federal. Razed.
  9. Edward Turpin Farm (c. 1860). 6676 Ragland Road. Anderson. Italianate.
  10. Edward Edwards House (c. 1810/1840). 3872 Round Bottom Road. Anderson. Federal.
  11. Thomas Mears House (c. 1845). 1291 Sutton Avenue. Anderson. Greek Revival. Razed.
  12. Thomas Biggs House (c. 1860). 1 Circus Place. Columbia. Italianate.
  13. Joseph Ferris House (c. 1820/1845). 5729 Dragon Way. Columbia. Federal/Greek Revival.
  14. Eliphalet Ferris House (c. 1803). 3915 Plainville Road. Columbia.
  15. Whitewater Shaker Meeting House (1827). 11791 Oxford Road. Crosby. Greek Revival.
  16. North Family Dwelling (1832–1833). 11813 Oxford Road. Crosby. Greek Revival.
  17. Joseph Sater House (1876). 8476 Willey Road. Crosby. Italianate.
  18. William Sater House (1831/1860s). 8638 Willey Road. Crosby. Greek Revival/Italianate.
  19. St. John's Evangelical Church (1900). 1053 Neeb Road. Delhi. Gothic Revival.
  20. Peter Diehl House (c. 1835). 2885 Diehl Road. Green.
  21. Hamman Roudebush House (1870). 10344 Campbell Road. Harrison. Italianate.
  22. Eighteen Mile House (c. 1835). 9840 Harrison Avenue. Harrison.
  23. George Bennett House (1847). 10281 Harrison Avenue. Harrison. Greek Revival. Razed.
  24. Othniel Looker House (1805). 10580 Marvin Road. Harrison. Relocated.
  25. Jehu John House (1836). 1149 Stone Drive. Harrison. Razed.
  26. Hugh Campbell House (1860). 332 Weathervane Lane. Harrison. Italianate.
  27. John Harrison House (c. 1830). Brower Road, southwest of Cliff Road. Miami. Greek Revival. Razed.
  28. John Warder House (c. 1870). 10 Muirfield Drive. Miami. Eastlake.
  29. Jeremiah Chandler House (1795). Shawnee Lookout Road, southeast of Lawrenceburg Road. Miami. Razed.
  30. Cary Johnson House (1821). 2145 Compton Road. Springfield. Federal.
  31. Daniel Smith House (c. 1825). 1038 North Bend Road. Springfield.
  32. James Whallon House (1816). 11000 Winton Road. Springfield. Federal.
  33. Louis Hauck House (1904). 12171 Mosteller Road. Sycamore. Classical Revival.
  34. Mortimer Matthews House (1880–1883). 600 Oak Road. Sycamore. Shingle.
  35. Isaac Hunt House (c. 1845). 4364 Hunt Road. Sycamore. Greek Revival.
  36. Abraham Miller House (c. 1815). 11118 Kemper Avenue. Sycamore. Razed.
  37. Thomas Morris House (1818/1840s). 11500 Lebanon Road. Sycamore. Gothic Revival. Relocated.
  38. James Roosa House (c. 1852). 11500 Lebanon Road. Sycamore. Greek Revival. Relocated.
  39. Louis Hauck House (1904). 12171 Mosteller Road. Sycamore. Chateauesque.
  40. Mortimer Matthews House (1880–1883). 600 Oak Road. Sycamore. Shingle.
  41. Washington Heights School (1873). 8100 Given Road. Symmes. Italianate.
  42. John Elliott House (1802). 9400 Given Road. Symmes.
  43. Waldschmidt Tenant House (1804). 7509 Glendale–Milford Road. Symmes.
  44. Christian Waldschmidt House (1804). 7567 Glendale–Milford Road. Symmes.
  45. House (c. 1890). 8718 Harrison Avenue. Whitewater. Queen Anne. Razed.
  46. Peter Tebow House (c. 1840/1875). 10901 Stephens Road. Whitewater. Italianate. Razed.
  47. Thomas Miller Farm (1836). 11294 US Highway 50. Whitewater. Greek Revival.
  48. Isaac Hayes House (c. 1845). 11368 US Highway 50. Whitewater. Greek Revival.
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