Knox County, Illinois Basics:
Knox County Illinois - Government Site
Population: 52,254
Area: 716 square miles
County seat: Galesburg
Area code(s) in use: 309
Time zone: CST
High school graduate or higher: 85.9%
Bachelor's degree or higher: 16.9%
Median household income: $40,419
Persons in poverty: 16.0%
Home ownership rate: 67.0%
Mean travel time to work: 19.5 minutes