Sanilac County, Michigan

Founding: 1849 (declared in 1822)
Parent counties: Unorganized territory

Namesake: Sanilac, Wyandot chief
Seat: Lexington (1849–1879); Sandusky (1879–)

Land area: 963 square miles

Population (2020): 40,611

Population (historic): 2,112 (1850); 14,562 (1870); 32,589 (1890); 33,930 (1910); 27,751 (1930)

Periods of population growth: pre-1850–1900; 1930–1980; 1990s

Subdivisions: Four cities; nine villages; one CDP; 26 townships

Pre-1940 residences (estimated): 4,790 (20.8%)
Pre-1940 housing survival rate: 57.5%
Pre-1860 housing survival rate (1940): 8.2%

Farm housing in disrepair (1950): 12%

Nonfarm housing in disrepair (1950): 8.1%
Average farmhouse value (1930): $1,161
Average outbuilding value (1930): $1,386

Average farmhouse size (1940): 6.9 rooms
Number of farms (1920): 5,112
Average farm size (1920): 88.9 acres
Sources of settlement: Canada, Germany, New York, Ireland, and England

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Sandusky

Namesake: Sandusky, Ohio

Founding: 1879 (platting as Sanilac Center); 1879 (post office); 1885 (incorporation)

Population (2020): 2,709

Population (historic): 403 (1890); 993 (1910); 1,305 (1930)

Periods of population growth: pre-1890–2000; 2010s
Pre-1940 residences (estimated): 176 (15.7%)

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Outstanding Buildings

1. Joseph Mahon House (c. 1875). 3804 Bay City–Forestville Road. Delaware. Gothic Revival.
2. John Nicholson Farm (c. 1890). 5910 Walker Road. Marlette.
3. William Arnett House (c. 1880). 5980 Applegate Road. Sanilac.
4. Joseph Loop Farm (1872). 228 South Ridge Street. Sanilac. Second Empire.
5. George Smith House (1869). 7925 Wildcat Road. Worth. Italianate.

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