Clermont County, Ohio

Founding: 1800
Parent county: Hamilton

Naming: A traditional name—French for "clear mountain"
Seats: Williamsburg (1800–1823); New Richmond (1823–1824); Batavia (1824–)

Land area: 452 square miles

Population (2020): 208,601

Population (historic): 9,965 (1810); 30,455 (1850); 36,713 (1880); 31,610 (1900); 29,786 (1930)

Periods of population growth: pre-1810–1880; 1920–2020

Subdivisions: Two cities; 11 villages; eight CDPs; 14 townships

Pre-1940 residences (estimated): 6,200 (7.6%)
Pre-1940 housing survival rate: 56.4%
Pre-1860 housing survival rate (1940): 29.7%

Farm housing in disrepair (1950): 7.7%

Nonfarm housing in disrepair (1950): 7.3%

Average farmhouse value (1930): $1,476
Average outbuilding value (1930): $963
Average farmhouse size (1940): 6 rooms
Number of farms (1920): 3,803
Average farm size (1920): 60.6 acres
Sources of settlement: Pennsylvania, New Jersey, Virginia, Germany, Kentucky, and Maryland
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Batavia

Namesake: Batavia, New York

Founding: 1814 (platting); 1818 (post office); 1842 (incorporation)

Population (2020): 1,972

Population (historic): 208 (1820); 500 (1860); 1,029 (1900); 1,119 (1930)

Periods of population growth: 1814–1830; 1840–1880; 1890–1980; 2010s
Pre-1940 residences (estimated): 265 (31.5%)
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Outstanding Buildings

1. John Collins House (c. 1805). Elk Lick Road (now Harsha Lake). Batavia. Razed.
2. Elias Duckwall House (c. 1860). Elk Lick Road (now Harsha Lake). Batavia. Gothic Revival. Relocated.
3. Richard Collins Farm (c. 1853). Elk Lick Road (now Harsha Lake). Batavia. Greek Revival. Razed.
4. Ezekiel Duckwall House (c. 1865). 1700 Roudebush Lane. Batavia. Italianate.
5. Thomas Brown Farm (c. 1865). 3944 State Route 222. Batavia. Italianate/Gothic Revival.
6. Joshua Smart House (c. 1810). 418 Felicity–Cedron–Rural Road. Franklin.
7. The Anchorage / Benjamin Thacker House (c. 1825). 1843 State Route 28. Goshen.
8. George Scott House (c. 1845). 2500 Woodville Pike. Goshen.
9. John Hartman Log House (1838). 5272 Abner Road. Jackson.
10. Ezekial Hutchinson House (c. 1890). 4958 Glancy Corner Road. Jackson. Queen Anne.
11. Thomas Paxton House (c. 1870). 865 Cedar Drive. Miami. Italianate.
12. John Pollock House (1822). 780 Garfield Avenue. Miami.
13. Nathaniel Gatch Farm (c. 1867). 2 McCormick Trail. Miami. Italianate.
14. Alice Hunt House (c. 1890). 5338 South Milford Road. Miami. Swiss Revival.
15. Gatch Farm (c. 1820). 750 US Highway 50. Miami.
16. Daniel Turner House (1843). 1311 US Highway 50. Miami. Greek Revival.
17. Augustus Oskamp Farm (c. 1855). 407 Ward's Corner Road. Miami. Italianate.
18. George Fridman House (c. 1890). 1418 Clermontville–Laurel Road. Monroe. Eastlake.
19. Anthony Sylvester House (c. 1860). 1539 Clermontville–Laurel Road. Monroe. Gothic Revival.
20. Philip Kennedy Farm (c. 1860). 2168 Ireton–Trees Road. Monroe. Gothic Revival.
21. Aaron Fagin House (1832). 2088 Lindale–Nicholsville Road. Monroe.
22. Matthias Roas Farm (c. 1850). 3233 Cole Road. Pierce.
23. Samuel Ricker House (c. 1890). 901 Locust Corner Road. Pierce. Shingle.
24. Samuel Lattimer Farm (c. 1810/1840). 5408 Benton Road. Stonelick.
25. John Glancy Farm (c. 1840). 1970 State Route 131. Stonelick. Federal.
26. John Glancy House (c. 1855). 5819 Stonelick–Williams Corner Road. Stonelick.
27. Jacob Yeager Log House (c. 1815). Stonelick–Williams Corner Road, north of Mount Zion Road. Stonelick. Razed.
28. John Miller House (c. 1850). 1988 US Highway 50. Stonelick. Greek Revival. Razed.
29. Booso House (c. 1880). 2811 US Highway 50. Stonelick. Italianate.
30. William Winter House (1803). 1661 State Route 133. Tate.
31. John Salt House (1814–1826). 2042 State Route 222. Tate. Federal.
32. Robert Cazel House (c. 1810). 944 Round Bottom Road. Union.
33. George Abrams House (c. 1835). 2223 State Route 756. Washington. Razed.
34. Newton House (c. 1830). 1879 US Highway 52. Washington. Federal.
35. Hartshorn House (c. 1852). US Highway 52, east of Bear Creek. Washington. Greek Revival. Razed.

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