Shelby County, Ohio

Founding: 1819
Parent county: Miami

Namesake: Isaac Shelby, Kentucky governor
Seats: Hardin (1819–1820); Sidney (1820–)

Land area: 408 square miles

Population (2020): 48,230

Population (historic): 2,106 (1820); 13,958 (1850); 24,137 (1880); 24,625 (1900); 24,924 (1930)

Periods of population growth: pre-1820–1890; 1900–1920; 1930–2010

Subdivisions: One city; eight villages; one CDP; 14 townships

Pre-1940 residences (estimated): 4,024 (19.9%)
Pre-1940 housing survival rate: 66.1%
Pre-1860 housing survival rate (1940): 14.5%

Farm housing in disrepair (1950): 3%

Nonfarm housing in disrepair (1950): 6.1%
Average farmhouse value (1930): $1,606
Average outbuilding value (1930): $1,640
Average farmhouse size (1940): 6.9 rooms
Number of farms (1920): 2,624
Average farm size (1920): 80.1 acres

Sources of settlement: Pennsylvania, Germany, Virginia, France, and New Jersey
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Sidney

Namesake: Philip Sidney, English poet

Founding: 1820 (platting); 1821 (post office); 1834 (incorporation)

Population (2020): 20,589

Population (historic): 240 (1830); 2,055 (1860); 5,688 (1900); 9,301 (1930)

Periods of population growth: 1820–2010
Pre-1940 residences (estimated): 1,583 (16.8%)

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Outstanding Buildings

1. Isaac Fulton House (1847). 804 South Brooklyn Avenue. Clinton. Gothic Revival.
2. St. Lawrence Catholic Church (1893). 16053 Botkins Road. Dinsmore. Gothic Revival.
3. Joseph Steinke House (mid-19th century). Reineke–Schipper Road, north of Botkins Road. Dinsmore. Razed.
4. Balser Hagelbarger House (c. 1885). 12665 State Route 274. Dinsmore. Italianate.
5. Herman Vocke Farm (1849). 11910 Friemering Road. McLean. Razed.
6. Ferdinand Arkenberg Farm (1856). 11251 State Route 66. McLean.
7. Alexander Snodgrass Farm (c. 1835). 1111 Brown Road. Orange. Federal. Razed.
8. Richard Valentine Farm (c. 1850). Miami River Road. Orange. Greek Revival. Razed.
9. St. Patrick Catholic Church (1915–1916). 7555 Hoying Road. Turtle Creek. Romanesque. Razed.
10. Mathias Erb House (1865). 16550 Shelby Road. Van Buren.
11. John Wilson House (1816). 9536 Houston Road. Washington. Federal.

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