Winnebago County, Wisconsin

Founding: 1848 (declared in 1840)
Parent counties: Brown, Calumet, and Fond du Lac
Namesake: The Winnebago people
Seat: Oshkosh (1848–)
Land area: 434 square miles
Population (2020): 171,730
Population (historic): 10,167 (1850); 37,279 (1870); 50,097 (1890); 62,116 (1910); 76,622 (1930)
Periods of population growth: 1840–2020
Subdivisions: Four cities; two villages; four CDPs; 15 towns
Pre-1940 residences (estimated): 14,976 (19.6%)
Pre-1940 housing survival rate: 64.7%
Pre-1860 housing survival rate (1940): 11.8%

Farm housing in disrepair (1950): 3.8%

Nonfarm housing in disrepair (1950): 4%

Average farmhouse value (1930): $2,244
Average outbuilding value (1930): $2,744

Average farmhouse size (1940): 7.5 rooms

Number of farms (1920): 2,711
Average farm size (1920): 68.7 acres
Sources of settlement: Germany, New York, Ireland, Norway, and Denmark
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Oshkosh

 
Namesake: Oshkosh, Menominee chief
Founding: 1840 (platting); 1840 (post office); 1853 (incorporation)
Population (2020): 66,816
Population (historic): 6,086 (1860); 15,748 (1880); 28,284 (1900); 40,108 (1930)
Periods of population growth: pre-1860–1930; 1940–1970; 1980–2020
Pre-1940 residences (estimated): 8,264 (28%)
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