Kane County, Illinois
Founding: 1836 Parent county: Unorganized territory Namesake: Elias Kane, Illinois politician Seat: Geneva (1836–) Land area: 520 square miles Population (2020): 516,522 Population (historic): 6,501 (1840); 30,062 (1860); 44,939 (1880); 78,792 (1900); 125,327 (1930) Periods of population growth: pre-1840–2020 Subdivisions: Five cities; 18 villages; one CDP; 16 townships Pre-1940 residences (estimated): 25,109 (13.3%) Pre-1940 housing survival rate: 67.5% Pre-1860 housing survival rate (1940): 19% Farm housing in disrepair (1950): 4.6% Nonfarm housing in disrepair (1950): 2.3% Average farmhouse value (1930): $3,108 Average outbuilding value (1930): $5,079 Average farmhouse size (1940): 7.4 rooms Number of farms (1920): 2,248 Average farm size (1920): 113.2 acres Sources of settlement: New York, Germany, Ireland, Sweden, England, Canada, and Penn...