Gratiot County, Michigan

Founding: 1856 (declared in 1831)
Parent counties: Unorganized territory

Namesake: Charles Gratiot, U.S. army engineer
Seat: Ithaca (1856–)

Land area: 568 square miles

Population (2020): 41,761

Population (historic): 4,042 (1860); 21,936 (1880); 29,889 (1900); 30,252 (1930)

Periods of population growth: pre-1860–1900; 1910s; 1930–1980; 1990–2010

Subdivisions: Three cities; three villages; 16 townships

National Register listings: Ten

Pre-1940 residences (estimated): 4,062 (24.9%)
Pre-1940 housing survival rate: 52.4%
Pre-1860 housing survival rate (1940): 6.5%

Farm housing in disrepair (1950): 9.2%

Nonfarm housing in disrepair (1950): 9.1%
Average farmhouse value (1930): $1,570
Average outbuilding value (1930): $1,703
Number of farms (1920): 3,859
Average farm size (1920): 65.1 acres
Sources of settlement: Michigan, Ohio, New York, and Canada
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Ithaca

Namesake: Ithaca, New York

Founding: 1855 (post office); 1856 (platting as Gratiot Center); 1869 (incorporation)

Population (2020): 2,853

Population (historic): 600 (1880); 2,020 (1900); 1,780 (1930)

Periods of population growth: pre-1880–1900; 1910s; 1930–2000
Pre-1940 residences (estimated): 352 (30%)
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Outstanding Buildings

1. William Anderson House (c. 1875). 4223 Bliss Road. Sumner. Italianate.