Greene County, Ohio

Founding: 1803
Parent counties: Hamilton and Ross

Namesake: Nathanael Greene, Continental Army general
Seat: Xenia (1804–)

Land area: 414 square miles

Population (2020): 167,966

Population (historic): 5,870 (1810); 21,946 (1850); 31,649 (1880); 31,613 (1900); 33,259 (1930)

Periods of population growth: pre-1810–1880; 1890s; 1910–2020

Subdivisions: Four cities; six villages; three CDPs; 12 townships

National Register listings: 47

Pre-1940 residences (estimated): 6,503 (9.5%)
Pre-1940 housing survival rate: 59.9%
Pre-1860 housing survival rate (1940): 30.3%

Farm housing in disrepair (1950): 4.8%

Nonfarm housing in disrepair (1950): 6.6%
Average farmhouse value (1930): $1,973
Average outbuilding value (1930): $1,582
Average farmhouse size (1940): 6.8 rooms
Number of farms (1920): 2,373
Average farm size (1920): 90.1 acres
Sources of settlement: Virginia, Pennsylvania, Kentucky, Maryland, and New Jersey
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Xenia

Namesake: The Greek word xenía ("hospitality")

Founding: 1803 (platting); 1805 (post office); 1817 (incorporation)

Population (2020): 25,441

Population (historic): 429 (1810); 3,024 (1850); 7,026 (1880); 8,696 (1900); 10,507 (1930)

Periods of population growth: 1803–1970; 2000–2020
Pre-1940 residences (estimated): 1,803 (14.9%)

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Outstanding Buildings

1. *John Wolf House (c. 1810). 1594 Dayton–Yellow Springs Road. Bath.
2. *William Wilson Farm (c. 1835). 889 Herr Road. Bath.
3. *Jacob Harbein House (c. 1835). 658 Alpha Road. Beaver Creek. Classical Revival. Razed.
4. *Albert Ankeney House (1872). 1035 Ankeney Road. Beaver Creek. Italianate.
5. *Frederick Trebein House (c. 1845). Hilltop Road, east of Trebein Road. Beaver Creek. Greek Revival.
6. *Jacob Coy Log House (1824). Dayton–Xenia Road, east of Phillips Park. Beaver Creek.
7. *Moses Shoup Farm (c. 1825). 182 North Fairfield Road. Beaver Creek. Italianate.
8. *George Smith Farm (c. 1820). 1617 Smith Road. Beaver Creek.
9. Elijah Hartsook Log House (1833). Spring Valley–Paintersville Road. Caesar's Creek. Razed.
10. *Samuel Dallas Farm (c. 1825). 1451 Bradfute Road. Cedarville.
11. *Whitelaw Reid House (1823/1890s). 2587 Conley Road. Cedarville. Shingle.
12. *James Anderson House (c. 1820). Tarbox Cemetery Road. Cedarville.
13. Weymouth Farm (c. 1840). Weimer Road, east of Turnbull Road. Cedarville. Greek Revival.
14. James Harbison Farm (c. 1875). 2881 Wilberforce–Clifton Road. Cedarville. Italianate.
15. Log House. 136 Dayton–Yellow Springs Road. Miami. Razed.
16. *William Knott House (1828). 1570 Hite Road. Miami. Federal.
17. *Benjamin Whiteman House (1805). 2896 North River Road. Miami.
18. *Johnson House (c. 1835). 4866 US Highway 68. Miami. Greek Revival.
19. *Aaron Harlan House (1842). 4625 US Highway 68. Miami. Greek Revival.
20. *Joseph Dean Farm (1823). 199 North Ballard Road. New Jasper.
21. Andrew Dean House (c. 1870). 4008 Cherry Grove Road. New Jasper. Italianate.
22. Samuel Dean Farm (c. 1895). Old US Highway 35, west of Straley Road. New Jasper. Queen Anne.
23. House (c. 1920). 3069 Selma–Jamestown Road. Ross. Colonial Revival.
24. *William Long House (c. 1875). 4770 Old US Highway 35. Silver Creek. Italianate.
25. Joseph Myers House (c. 1870). 4789 Old US Highway 35. Silver Creek. Italianate. Razed.
26. James Schnebly House (c. 1830). 1745 Schnebly Road. Spring Valley. Federal.
27. *Milo Simison House (c. 1855). 1905 Simison Road. Spring Valley.
28. Mary Poague House (c. 1875). Spring Valley–Paintersville Road. Spring Valley. Italianate. Razed.
29. *William McKnight House (c. 1830/1870). 765 Spring Valley–Paintersville Road. Spring Valley. Italianate.
30. *Michael Swigart House (c. 1835). 804 Carpenter Road. Sugar Creek. Italianate.
31. *Samuel Berryhill House (1832). 3113 Ferry Road. Sugar Creek. Federal.
32. *Thomas White House (c. 1830). 4378 State Route 725. Sugar Creek. Federal.
33. *Adam Routzong Farm (c. 1880). 510 Brush Row Road. Xenia. Italianate.
34. *Davis Hawkins Farm (c. 1850). 890 Hawkins Road. Xenia.
35. *James Hawkins Farm (c. 1825/1855). 945 Hawkins Road. Xenia.
36. *Robert Gowdy House (c. 1870). 717 South Progress Drive. Xenia. Italianate.
37. *Benoni Nesbitt House (1846). 733 State Route 380. Xenia. Greek Revival.
38. Frederick Bonner Farm (c. 1830/1865). 1011 State Route 380. Xenia. Italianate.
39. *Wilford McDonald Farm (c. 1840). 1446 Stone Road. Xenia. Greek Revival.