Harrison County, Ohio

Founding: 1813
Parent counties: Jefferson and Tuscarawas

Namesake: William Henry Harrison, U.S. president
Seat: Cadiz (1813–)

Land area: 402 square miles

Population (2020): 14,483

Population (historic): 14,345 (1820); 20,157 (1850); 18,682 (1870); 20,486 (1900); 18,844 (1930)

Periods of population growth: pre-1820–1830; 1840s; 1870–1890; 1910s; 1930s; 1970s

Subdivisions: Ten villages; one CDP; 15 townships

National Register listings: Seven

Pre-1940 residences (estimated): 2,485 (30.6%)
Pre-1940 housing survival rate: 45.2%
Pre-1860 housing survival rate (1940): 18.8%

Farm housing in disrepair (1950): 11.3%

Nonfarm housing in disrepair (1950): 8.9%

Average farmhouse value (1930): $1,201
Average outbuilding value (1930): $845
Average farmhouse size (1940): 6.4 rooms
Number of farms (1920): 2,039
Average farm fize (1920): 91.5 acres
Sources of settlement: Pennsylvania, Northern Ireland, Maryland, and Virginia
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Cadiz

Namesake: Cadiz, Spain

Founding: 1803 (platting); 1812 (post office); 1818 (incorporation)

Population (2020): 3,051

Population (historic): 537 (1820); 1,168 (1860); 1,755 (1900); 2,597 (1930)

Periods of population growth: pre-1820–1880; 1890–1960; 1970s; 2000s
Pre-1940 residences (estimated): 549 (35.2%)

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Outstanding Buildings

1. *Joseph Rea Farm (1832). 39790 Cadiz–Piedmont Road. Cadiz.
2. *John Mehollin House (c. 1870). 40250 Cadiz–Piedmont Road. Cadiz. Gothic Revival.
3. *Robert Cochran House (1851/1875). 413 North Main Street. Cadiz. Second Empire.
4. *Joseph Thompson House (c. 1835). 451 Ohio Street. Cadiz.
5. *James Howell Farm (c. 1860). 31900 Norris Road. Franklin. Italianate.
6. *Hopewell School (c. 1885). Cadiz–Piedmont Road, south of Smyrna Road. Freeport. Gothic Revival.
7. *William Narragong Farm (1887). 48818 Mader Road. German. Italianate.
8. James Allison House (c. 1830). 85911 Water Works Road. Green. Federal.
9. *James Slater House (1838). 37640 Jockey Hollow Road. Moorefield.
10. Lyle McDivitt Farm (c. 1875). 87800 Dewell Road. North. Italianate.
11. *Samuel Ramsey House (c. 1860). 80725 Mallarnee Road. Nottingham.
12. *William Rogers Farm (1841). 81305 Ourant Road. Nottingham.
13. *William Carson Farm (1823). 80900 Slab Camp Road. Nottingham.
14. *John Nicholson Farm (c. 1870). 49120 Cadiz–Harrisville Road. Short Creek. Italianate.