Adams County, Ohio

Founding: 1797
Parent counties: Hamilton and Washington

Namesake: John Adams, U.S. president
Seats: Manchester (1797); Adamsville (1798); Washington (1799–1804); West Union (1804–)

Land area: 584 square miles

Population (2020): 27,477

Population (historic): 3,432 (1800); 13,183 (1840); 20,750 (1870); 26,328 (1900); 20,381 (1930)

Periods of population growth: pre-1800–1900; 1930s; 1970–2010

Subdivisions: Six villages; two CDPs; 15 townships

Pre-1940 residences (estimated): 2,040 (15.8%)
Pre-1940 housing survival rate: 39.5%
Pre-1860 housing survival rate (1940): 18.2%

Farm housing in disrepair (1950): 21.9%

Nonfarm housing in disrepair (1950): 17.2%

Average farmhouse value (1930): $752
Average outbuilding value (1930): $590
Average farmhouse size (1940): 5.7 rooms
Number of farms (1920): 3,650
Average farm size (1920): 58.7 acres
Sources of settlement: Pennsylvania, Virginia, Northern Ireland, and Kentucky
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West Union

Namesake: Unknown

Founding: 1804 (platting); 1805 (post office); 1859 (incorporation)

Population (2020): 3,004

Population (historic): 229 (1810); 444 (1850); 1,033 (1900); 1,094 (1930)

Periods of population growth: 1804–1840; 1850–1910; 1920–1990; 2000s

Pre-1940 residences (estimated): 122 (7.9%)

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Outstanding Buildings

1. Solomon Gore House (c. 1855). 3378 State Route 73. Bratton. Greek Revival.
2. John Copas Farm (c. 1860). 4045 Waggoner Riffle Road. Brush Creek. Greek Revival/Italianate.
3. Peter Wickerham Inn (1801). 28136 State Route 41. Franklin.
4. Jesse Kendall Farm (c. 1880). 29894 State Route 41. Franklin. Italianate.
5. William Kenyon House (c. 1870). 617 Sandy Springs Lane. Green.
6. Thomas Kirker Farm (1805/1852). 6620 State Route 136. Liberty.
7. Shoemaker–Sproull Farm (c. 1796/1825). 425 Fawcett Road. Meigs.
8. Isaac Aerl House (1809/1880s). 27217 State Route 41. Meigs.
9. Buckeye Station / Nathaniel Massie House (1797). Buckeye Station Road. Monroe. Razed.
10. Oliver Tompkins House (c. 1840). 1580 Gift Ridge Road. Monroe. Greek Revival.
11. John Wilson House (c. 1832/1844). 92 Old State Route 32. Scott.
12. David McCreight House (c. 1820). State Route 770, north of Watt–Young Road. Scott. Razed.
13. Andrew Ellison House (1798). 3626 Logan's Lane. Tiffin.
14. Daniel Collier House (1802). Spurgeon Hill Road, northeast of Lafferty Road. Tiffin. Razed.
15. John Treber Inn (1798/1810). 17759 State Route 41. Tiffin.
16. William Grooms Farm (late 19th century). 10829 State Route 125. Tiffin.
17. William Cluxton House (early or mid-19th century). 1021 Unity Road. Tiffin. Razed.
18. Arthur Noble House (c. 1890). 19539 State Route 136. Winchester. Queen Anne.

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