Fayette County, Ohio

Founding: 1810
Parent counties: Highland and Ross

Namesake: The Marquis de Lafayette, Continental Army general
Seat: Washington Court House (1810–)

Land area: 406 square miles

Population (2020): 28,951

Population (historic): 1,854 (1810); 12,726 (1850); 20,364 (1880); 21,725 (1900); 20,755 (1930)

Periods of population growth: pre-1810–1890; 1930–2010

Subdivisions: One city; four villages; two CDPs; 10 townships

Pre-1940 residences (estimated): 2,892 (22.8%)
Pre-1940 housing survival rate: 51.8%
Pre-1860 housing survival rate (1940): 12.9%

Farm housing in disrepair (1950): 7.8%

Nonfarm housing in disrepair (1950): 12.3%
Average farmhouse value (1930): $1,988
Average outbuilding value (1930): $1,649
Average farmhouse size (1940): 6.2 rooms
Number of farms (1920): 1,787
Average farm size (1920): 131.7 acres
Sources of settlement: Virginia, Pennsylvania, and Ireland
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Washington Court House

Namesake: George Washington, U.S. president

Founding: 1810 (platting); 1813 (post office); 1831 (incorporation)

Population (2020): 14,401

Population (historic): 191 (1820); 1,035 (1860); 3,798 (1880); 5,751 (1900); 8,426 (1930)

Periods of population growth: pre-1820–2010
Pre-1940 residences (estimated): 2,893 (22.8%)

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