Brown County, Ohio

Founding: 1818
Parent counties: Adams and Clermont

Namesake: Jacob Brown, U.S. army officer
Seat: Ripley (1818–1821); Georgetown (1821–)

Land area: 490 square miles

Population (2020): 43,676

Population (historic): 13,356 (1820); 29,958 (1860); 32,911 (1880); 28,237 (1900); 20,148 (1930)

Periods of population growth: pre-1820–1880; 1930–2010

Subdivisions: Nine villages; three CDPs; 16 townships

National Register listings: 26

Pre-1940 residences (estimated): 3,097 (16%)
Pre-1940 housing survival rate: 44.9%
Pre-1860 housing survival rate (1940): 17.6%

Farm housing in disrepair (1950): 8%

Nonfarm housing in disrepair (1950): 11.9%

Average farmhouse value (1930): $904
Average outbuilding value (1930): $711

Average farmhouse size (1940): 5.9 rooms

Number of farms (1920): 3,890
Average farm size (1920): 67.8 acres
Sources of settlement: Pennsylvania, Virginia, Kentucky, Germany, and Ireland
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Georgetown

Namesake: Georgetown, Kentucky

Founding: 1819 (platting); 1821 (post office); 1832 (incorporation)

Population (2020): 4,453

Population (historic): 618 (1850); 1,037 (1870); 1,473 (1890); 1,580 (1910); 1,531 (1930)

Periods of population growth: pre-1850–1920; 1930–2010
Pre-1940 residences (estimated): 294 (15%)

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Outstanding Buildings

1. John Henry Farm (c. 1835). 6956 Mount Aire Road. Byrd.
2. *Otho Sutton House (1840–1844). State Route 125, east of Decatur. Byrd. Razed.
3. William Johnson Farm (1886). 8963 State Route 353. Byrd. Second Empire.
4. *Hook Farm (c. 1840). 11252 Purdy Road. Franklin.
5. *Job Wilson House (1811). 2155 Three Mile Creek Road. Huntington.
6. House (c. 1810). 7815 Faul Road. Jefferson.
7. *Samuel Mefford Farm (c. 1845). 7950 George Miller Road. Jefferson. Greek Revival.
8. John Mefford Farm (c. 1865). 8854 Martin Hollow Road. Jefferson. Gothic Revival.
9. *Josiah Pickerill Farm (c. 1835). 8358 Pickerill Road. Jefferson.
10. John Mann Farm (c. 1815). 6929 Ripley–Day Hill Road. Jefferson.
11. Brown County Infirmary (c. 1850). 4169 Infirmary Road. Lewis. Greek Revival.
12. *Thompson House (1848). 8358 Hunter Road. Lewis. Greek Revival.
13. Farm (c. 1895). 1795 Shinkle's Ridge Road. Lewis. Eastlake/Classical Revival.
14. *Abraham Miranda House (c. 1810). US Highway 52, west of Higginsport. Lewis.
15. George Bishop Farm (c. 1885). 3250 US Highway 50. Perry. Italianate.
16. *Daniel Murphy Log House (c. 1806). 4329 Anderson State Road. Perry.
17. Robert Kelly Farm (c. 1865). 20093 Fayetteville–Blanchester Road. Perry. Greek Revival/Italianate.
18. *St. Martin Catholic Church (1866). 20864 State Route 251. Perry. Gothic Revival.
19. Dennis McCafferty Farm (c. 1855). 20171 US Highway 68. Perry. Italianate.
20. *Erastus Atkins Log House (1811). US Highway 50 and State Route 251. Perry.
21. Farm (c. 1890). 5683 Centerpoint Road. Pleasant. Eastlake.
22. *Tunnel Mill (1843). 8013 State Route 221. Pleasant.
23. *John Thompson Farm (1852). 8063 State Route 221. Pleasant. Greek Revival.
24. *Kimball House (c. 1825). 10700 McCall Road. Scott. Razed.
25. *Red Oak Presbyterian Church (1817). 5754 Cemetery Road. Union.
26. Edward Heizer Log House (c. 1810). 5556 Centerpoint Road. Union.
27. Alexander Martin House (c. 1830). 7739 North Pole Road. Union. Federal.
28. Campbell Howard Farm (c. 1835). 3813 DeVore Road. Union. Federal.
29. *Alexander Martin House (1816). 5260 Martin Lane. Union.
30. *John Rankin House (1828). 6152 Rankin Road. Union. Federal.
31. Robert Cahall House and Wine Cellar (c. 1855). 4437 US Highway 52. Union.
32. Levi Wardlow Log House (c. 1825). 5677 Stephan Road. Washington. Razed.