Kendall County, Illinois Basics:
Kendall County Illinois - Government Site
Population: 118,108
Area: 320 square miles
County seat: Yorkville
Area code(s) in use: 630 815
Time zone: CST
High school graduate or higher: 92.6%
Bachelor's degree or higher: 34.2%
Median household income: $83,835
Persons in poverty: 3.9%
Home ownership rate: 85.2%
Mean travel time to work: 33.5 minutes