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. Miller Log 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. Anderson. Federal. Razed.
9. Edward Turpin Farm (c. 1860). 6676 Ragland Road. Anderson. Italianate.
10. William Edwards House (c. 1810/1840). 3872 Round Bottom Road. Anderson. Federal.
11. William Storms 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. North Family Dwelling (1832–1833). 11813 Oxford Road. Crosby.
16. Joseph Sater House (1876). 8476 Willey Road. Crosby. Italianate.
17. William Sater House (1831/1860s). 8638 Willey Road. Crosby. Greek Revival/Italianate.
18. Peter Diehl House (c. 1835). 2885 Diehl Road. Green.
19. Eighteen Mile House (c. 1835). 9840 Harrison Avenue. Harrison.
20. George Bennett House (1847). 10281 Harrison Avenue. Harrison. Greek Revival. Razed.
21. Hamman Roudebush House (1870). 8643 Kilby Road. Harrison. Italianate.
22. Othniel Looker House (1805). 10580 Marvin Road. Harrison.
23. Jehu John House (1836). Stone Drive and Small Road. Harrison. Razed.
24. Hugh Campbell House (1860). 332 Weathervane Lane. Harrison. Italianate.
25. John Harrison House (c. 1830). Brower Road. Miami. Greek Revival. Razed.
26. John Warder House (c. 1870). 10 Muirfield Drive. Miami. Eastlake.
27. Chandler Log House (1795). Shawnee Lookout Road. Miami.
28. Cary Johnson House (1821). 2145 Compton Road. Springfield. Federal.
29. Daniel Smith House (c. 1825). 1038 North Bend Road. Springfield.
30. James Whallon House (1816). 11000 Winton Road. Springfield. Federal.
31. Louis Hauck House (1904). 12171 Mosteller Road. Sycamore. Classical Revival.
32. Mortimer Matthews House (1880–1883). 600 Oak Road. Sycamore. Shingle.
33. James Hunt House (c. 1845). 4364 Hunt Road. Sycamore. Greek Revival.
34. Miller–Smith Log House. 11118 Kemper Avenue. Sycamore. Razed.
35. John Elliott House (1802). 9400 Given Road. Symmes.
36. Mathias Kugler House (1804). 7509 Glendale–Milford Road. Symmes.
37. Christian Waldschmidt House (1804). 7567 Glendale–Milford Road. Symmes.
38. John Reise House (c. 1890). Harrison Road. Whitewater. Queen Anne. Razed.
39. Peter Tebow House (c. 1840/1875). 10901 Stephens Road. Whitewater. Italianate.
40. Thomas Miller Farm (1836). 11294 US Highway 50. Whitewater. Greek Revival.
41. Abiah Hayes House (c. 1845). 11368 US Highway 50. Whitewater. Greek Revival.

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