Clinton County, Ohio

Founding: 1810
Parent counties: Highland and Warren

Namesake: George Clinton, New York governor
Seat: Wilmington (1810–)

Land area: 409 square miles

Population (2020): 42,018

Population (historic): 2,674 (1810); 15,719 (1840); 21,914 (1870); 24,202 (1900); 21,547 (1930)

Periods of population growth: pre-1810–1880; 1930–2010

Subdivisions: One city; eight villages; 13 townships

Pre-1940 residences (estimated): 3,126 (17.3%)
Pre-1940 housing survival rate: 61.4%
Pre-1860 housing survival rate (1940): 19.1%

Farm housing in disrepair (1950): 5.4%

Nonfarm housing in disrepair (1950): 8%
Average farmhouse value (1930): $1,608
Average outbuilding value (1930): $1,235
Average farmhouse size (1940): 6.5 rooms
Number of farms (1920): 2,411
Average farm size (1920): 96.1 acres
Sources of settlement: Virginia, Pennsylvania, and North Carolina
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Wilmington

Namesake: Wilmington, Delaware

Founding: 1810 (platting as Clinton); 1813 (post office); 1828 (incorporation)

Population (2020): 12,664

Population (historic): 235 (1820); 1,238 (1850); 2,745 (1880); 3,613 (1900); 5,332 (1930)

Periods of population growth: 1810–1850; 1860–2020
Pre-1940 residences (estimated): 985 (16.6%)
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Outstanding Buildings

1. Eli Harvey Farm (c. 1826). 1133 Lebanon Road. Adams.
2. Zephaniah Underwood Farm (1884–1886). 9230 State Route 73. Chester. Eastlake.
3. Eli McMillan Farm (1840). 284 Wall Road. Chester.
4. John Leaf House (c. 1855). 10803 State Route 134. Clark. Greek Revival.
5. Michael Turner Farm (1870). 10293 State Route 134. Clark. Greek Revival.
6. William Turner Farm (c. 1870). 190 Townsend Road. Clark. Italianate.
7. Jesse Cline House (c. 1835). 7471 State Route 350. Green. Federal.
8. Snow Hill Inn / Charles Harris Tavern (1828). 11093 State Route 73. Green.
9. Zephaniah Spear Farm (1853–1854). 11569 State Route 73. Green. Greek Revival.
10. Squire Harris Farm (c. 1830). 10356 State Route 73. Green. Federal.
11. Allen Hiatt Farm (c. 1875). 6189 US Highway 68. Liberty. Italianate.
12. William Lomax Farm (c. 1842). 684 Bobbitt Road. Union.
13. John Leonard House (c. 1835). 244 Center Road. Union.
14. Jacob Haines Farm (1804/1845). 733 Curry Road. Union. Greek Revival.
15. William Rudduck House (c. 1845). 783 Mitchell Road. Union. Greek Revival.
16. Thomas Rannells House (c. 1850). 2978 Prairie Road. Union. Greek Revival.
17. Levi Custis Farm (1881). 4848 US Highway 22. Union. Italianate.
18. James Harris Farm (c. 1819). 2104 Creek Road. Vernon.
19. Thomas Hardin Log House (c. 1800). 6190 State Route 350. Vernon. Razed.
20. Pansy School (1900). 10554 State Route 730. Vernon. Romanesque.
21. Pansy Methodist Church (1885). 10554 State Route 730. Vernon. Gothic Revival.
22. Samuel Moore House (c. 1880). 371 Moore Road. Wayne. Second Empire.

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