Door County, Wisconsin
Founding: 1861 (declared in 1851) Parent county: Brown Namesake: The Door Peninsula Seat: Sturgeon Bay (1861–) Land area: 482 square miles Population (2020): 30,066 Population (historic): 2,948 (1860); 11,645 (1880); 17,583 (1900); 18,182 (1930) Periods of population growth: pre-1860–1920; 1930–1950; 1970–2000; 2010s Subdivisions: One city; four villages; three CDPs; 14 towns Pre-1940 residences (estimated): 4,197 (17%) Pre-1940 housing survival rate: 68.7% Pre-1860 housing survival rate (1940): 2.9% Farm housing in disrepair (1950): 5.7% Nonfarm housing in disrepair (1950): 3.4% Average farmhouse value (1930): $1,811 Average outbuilding value (1930): $1,938 Average farmhouse size (1940): 6.5 rooms Number of farms (1920): 2,396 Average farm size (1920): 62.4 acres Sources of settlement: Germany, Norway, Belgium, Sweden, Canada, and New York ...