Carroll County, Ohio

Founding: 1833
Parent counties: Columbiana, Harrison, Jefferson, Stark, and Tuscarawas

Namesake: Charles Carroll, Maryland politician
Seat: Carrollton (1833–)

Land area: 395 square miles

Population (2020): 26,721

Population (historic): 18,108 (1840); 15,738 (1860); 16,416 (1880); 16,811 (1900); 16,057 (1930)

Periods of population growth: pre-1840; 1870–1890; 1910–2000

Subdivisions: Seven villages; one CDP; 14 townships

National Register listings: 12

Pre-1940 residences (estimated): 2,987 (21.9%)
Pre-1940 housing survival rate: 68.8%
Pre-1860 housing survival rate (1940): 18.4%

Farm housing in disrepair (1950): 8.8%

Nonfarm housing in disrepair (1950): 6.8%

Average farmhouse value (1930): $1,084
Average outbuilding value (1930): $949
Average farmhouse size (1940): 6.7 rooms
Number of farms (1920): 1,990
Average farm size (1920): 86.2 acres
Sources of settlement: Pennsylvania, Northern Ireland, Germany, and France
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Carrollton

Namesake: Charles Carroll, Maryland politician

Founding: 1815 (platting as Centreville); 1818 (post office)

Population (2020): 3,087

Population (historic): 721 (1860); 1,271 (1900); 2,286 (1930)

Periods of population growth: pre-1860–1980; 1990–2010
Pre-1940 residences (estimated): 265 (18.9%)
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Outstanding Buildings

1. *Abner Hoopes House (c. 1835). 1206 Brush Road. Augusta.
2. *John Kennedy Farm (c. 1830). 3037 Arbor Road. Augusta.
3. *Still Fork Presbyterian Church (1882). 3117 Aurora Road. Augusta. Gothic Revival.
4. *Nathaniel Marshall House (c. 1835/1920). 8301 Kensington Road. Augusta. Federal.
5. *Henry Pottorf Farm (1858). 4071 Meter Road. Augusta. Greek Revival.
6. *William Robertson Farm (c. 1870). 6877 Alliance Road. Brown. Italianate.
7. *House (c. 1880). 5207 Avalon Road. Brown. Italianate.
8. *Lazarus Lewis House (c. 1840). 6020 Avalon Road. Brown.
9. *Patrick Hull House (c. 1840). 8187 Blade Road. Brown. Greek Revival.
10. *Farm (c. 1895). 7326 Canton Road. Brown. Queen Anne.
11. *Samuel Harsh Farm (1884). 2041 Lemon Road. Brown. Italianate.
12. *Jacob Kintner House (c. 1850). 190 Alamo Road. Center.
13. *John George House (1828/1870s). 133 Apollo Road. Fox. Federal/Italianate.
14. *Scroggsfield Presbyterian Church (1888). Apollo Road, south of Avon Road. Fox. Eastlake/Gothic.
15. *James Elliott House (c. 1835). 1442 Magnolia Road. Monroe.
16. *Oliver Putnam House (c. 1880). 4247 Teal Road. Monroe. Italianate.
17. *Benjamin Amos House (c. 1845). 8160 Pomona Road. Perry. Greek Revival.
18. *Henry Rider House (c. 1845). 6083 Waynesburg Road. Rose. Greek Revival.
19. *Fawcett House (c. 1845). 131 Emerald Road. Union. Greek Revival.
20. House (c. 1885). 4184 Cobbler Road. Washington. Italianate/Eastlake.
21. Levi Stemple House (c. 1830). 101 Waynesburg Road. Washington.