Guernsey County, Ohio

Founding: 1810
Parent counties: Belmont and Muskingum

Namesake: Guernsey, one of the Channel Islands
Seat: Cambridge (1810–)

Land area: 522 square miles

Population (2020): 38,438

Population (historic): 3,051 (1810); 30,438 (1850); 27,197 (1880); 34,425 (1900); 41,486 (1930)

Periods of population growth: pre-1810–1850; 1870–1920; 1950s; 1970s; 1990s

Subdivisions: One city; eight villages; three CDPs; 19 townships

National Register listings: 22

Pre-1940 residences (estimated): 5,741 (30%)
Pre-1940 housing survival rate: 48.9%
Pre-1860 housing survival rate (1940): 19.4%

Farm housing in disrepair (1950): 11%

Nonfarm housing in disrepair (1950): 9.4%

Average farmhouse value (1930): $953
Average outbuilding value (1930): $665
Average farmhouse size (1940): 5.8 rooms
Number of farms (1920): 3,079
Average farm size (1920): 81.1 acres
Sources of settlement: Pennsylvania, Northern Ireland, Virginia, and Maryland
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Cambridge

Namesake: Unclear—perhaps Cambridge, England; or Cambridge, Massachusetts

Founding: 1806 (platting); 1807 (post office); 1837 (incorporation)

Population (2020): 10,089

Population (historic): 766 (1840); 1,452 (1860); 2,883 (1880); 8,241 (1900); 16,129 (1930)

Periods of population growth: pre-1840–1930
Pre-1940 residences (estimated): 2,255 (43.1%)
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Outstanding Buildings

1. *Samuel Harper Farm (1841). 1165 Peters Creek Road. Adams.
2. *Robert McMurrey House (1827/1840s). East Pike, west of Corduroy Road. Cambridge. Razed.
3. Baxter Farm (c. 1820). 8155 Oldham Road. Cambridge.
4. *Peter Sarchet House (1831). 67701 Oldham Road. Cambridge. Federal.
5. *Hugh Broom Farm (1832). 66715 Read Road. Cambridge.
6. *Benjamin Kennedy House (1837). 14755 Cadiz Road. Jefferson.
7. *Elias Webster Farm (c. 1890). 60680 Greenlawn Road. Millwood. Eastlake.
8. Jonathan Rose Farm (c. 1870). 22873 Oxford Road. Oxford. Italianate.
9. *Ebenezer Finley House (1853). Clay Pike, east of Soggy Run Road. Richland. Razed.
10. John Laughlin House (c. 1875). 14703 Ideal Road. Richland. Italianate.
11. William Crow House (c. 1870). 5511 Blue Bell Road. Spencer. Italianate.
12. *Oliver Bennett House (1875). 2781 Best Road. Westland. Italianate.
13. *Hiram Hukill House (c. 1840). Claysville Road, southwest of Barnett Road. Westland. Razed.
14. House (c. 1885). 2960 Glenn Highway. Westland. Eastlake.
15. *James Booth Farm (1848–1852). 8433 Church Hill Road. Wheeling. Greek Revival.
16. William Johnson Farm (c. 1870). Range Road, north of Leatherwood Road. Wills. Italianate.