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 Pennsylvania
_________________________________________________________________________________

Geneva

Namesake: Geneva, New York

Founding: 1836 (platting as La Fox); 1836 (post office); 1867 (incorporation)

Population (2020): 21,393

Population (historic): 997 (1860); 1,239 (1880); 2,446 (1900); 4,607 (1930)

Periods of population growth: pre-1860–1930; 1940–2010
Pre-1940 residences (estimated): 969 (11.5%)
_________________________________________________________________________________

View and filter the data. Or see a map.
_________________________________________________________________________________