Williams County, Ohio

Founding: 1824 (declared in 1820)
Parent county: Unorganized territory

Namesake: David Williams, New York militiaman
Seats: Defiance (1824–1840); Bryan (1840–)

Land area: 421 square miles

Population (2020): 37,102

Population (historic): 387 (1830); 16,633 (1860); 23,821 (1880); 24,953 (1900); 24,316 (1930)

Periods of population growth: 1830–1910; 1930–2000

Subdivisions: One city; eight villages; five CDPs; 12 townships

National Register listings: Seven

Pre-1940 residences (estimated): 5,076 (30.6%)
Pre-1940 housing survival rate: 63.4%
Pre-1860 housing survival rate (1940): 11.2%

Farm housing in disrepair (1950): 4.7%

Nonfarm housing in disrepair (1950): 6%
Average farmhouse value (1930): $1,566
Average outbuilding value (1930): $1,514
Average farmhouse size (1940): 7.5 rooms
Number of farms (1920): 2,810
Average farm size (1920): 73.8 acres
Sources of settlement: Pennsylvania, Germany, New York, and Indiana

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Bryan

Namesake: John Bryan, founder of the city

Founding: 1840 (platting); 1840 (post office); 1841 (incorporation)

Population (2020): 8,729

Population (historic): 1,064 (1860); 2,952 (1880); 3,131 (1900); 4,689 (1930)

Periods of population growth: 1840–1960; 1970–1990; 2000–2020
Pre-1940 residences (estimated): 1,141 (28.%)
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Outstanding Buildings

1. *William Swisher Farm (c. 1880). 10901 US Highway 127. Brady. Second Empire.
2. *Jacob Lantz House (c. 1885). 16682 State Route 576. Bridgewater. Italianate.
3. John Finch Farm (c. 1870). 18563 Road G. Jefferson.
4. *Nathaniel Ames Farm (c. 1870). 7685 US Highway 127. Jefferson. Second Empire.
5. Philip Stiving Farm (c. 1870). 16080 Road 17. Madison. Italianate.
6. *Jacob Young Log House (1838). 17712 Road O. Madison.
7. *James Evers House (c. 1880). 901 South State Street. Madison. Italianate.
8. Samuel Osman Farm (c. 1880). 18998 Road O. Mill Creek. Italianate.
9. *Joseph Maltby House (c. 1860). State Route 191, north of US Highway 6. Springfield. Federal. Collapsed.