Mackinac County, Michigan
Founding: 1849 (declared in 1818) Parent counties: Unorganized territory Namesake: The Straits of Mackinac Seat: Mackinac Island (1849–1882); St. Ignace (1882–) Land area: 1,022 square miles Population (2020): 10,834 Population (historic): 877 (1830); 1,938 (1860); 2,902 (1880); 7,703 (1900); 8,783 (1930) Periods of population growth: pre-1830–1850; 1870–1890; 1900s; 1920–1940; 1950s; 1970–2000 Subdivisions: Two cities; 11 townships Pre-1940 residences (estimated): 1,832 (16.4%) Pre-1940 housing survival rate: 48.2% Pre-1860 housing survival rate (1940): 6.4% Farm housing in disrepair (1950): 16.6% Nonfarm housing in disrepair (1950): 14.1% Average farmhouse value (1930): $879 Average outbuilding value (1930): $865 Average farmhouse size (1940): 5.1 rooms Number of farms (1920): 479 Average farm size (1920): 45 acres Sources of settlement: Michigan and Canad...