Preble County, Ohio

Founding: 1808
Parent counties: Butler and Montgomery

Namesake: Edward Preble, U.S. naval officer
Seat: Eaton (1808–)

Land area: 424 square miles

Population (2020): 40,999

Population (historic): 3,304 (1810); 19,482 (1840); 21,809 (1870); 23,713 (1900); 22,455 (1930)

Periods of population growth: pre-1810–1860; 1870s; 1890–1910; 1930–2000

Subdivisions: One city; 10 villages; one CDP; 12 townships

National Register listings: 19

Pre-1940 residences (estimated): 4,908 (27.5%)
Pre-1940 housing survival rate: 74.4%
Pre-1860 housing survival rate (1940): 26.4%

Farm housing in disrepair (1950): 3.8%

Nonfarm housing in disrepair (1950): 5.9%
Average farmhouse value (1930): $1,985
Average outbuilding value (1930): $1,707
Average farmhouse size (1940): 6.8 rooms
Number of farms (1920): 3,095
Average farm size (1920): 70.4 acres
Sources of settlement: Virginia, Pennsylvania, Maryland, New Jersey, Ireland, and Germany
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Eaton

Namesake: William Eaton, U.S. army officer

Founding: 1806 (platting); 1813 (post office); 1836 (incorporation)

Population (2020): 8,375

Population (historic): 255 (1820); 1,346 (1850); 2,143 (1880); 3,155 (1900); 3,347 (1930)

Periods of population growth: 1806–2010
Pre-1940 residences (estimated): 803 (21.5%)
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Outstanding Buildings

1. *Martin Swisher House (c. 1870). 89 Concord–Fairhaven Road. Dixon. Italianate.
2. *Washington Bruce House (1853). 6482 State Route 122. Dixon. Greek Revival.
3. *Jonathan Toney House (c. 1870). 8958 State Route 122. Dixon. Italianate.
4. Richard Randall House (c. 1835). 200 Beechwood Avenue. Gratis.
5. *John Christman Farm (1872). 7343 Pleasant Valley Road. Gratis. Italianate.
6. *John Callers House (1837). 7183 Salem Road. Harrison.
7. *Andrew Zeller House (c. 1855). 6108 North State Route 503. Harrison. Razed.
8. Isaac Ridenour Farm (c. 1835). 6424 Butler–Israel Road. Israel. Federal.
9. Hugh Elliott Farm (c. 1860). 12395 State Route 177. Israel. Greek Revival.
10. *William Wright Farm (c. 1850). 3993 South State Route 503. Lanier.
11. *John Markey Farm (1859). 5486 Lexington–Salem Road. Twin. Italianate.
12. *George Sauer House (1902). 5113 US Highway 35. Twin. Classical Revival.
13. Lugar House (c. 1875). State Route 732, southwest of Cassel Road. Washington. Italianate. Razed.
14. *Daniel Christman Farm (1856). 2179 US Highway 35. Washington. Greek Revival.
15. *Jacob Kessler Farm (c. 1825). 1139 Winnerline Road. Washington.