Boone County, Illinois Basics:
Boone County Illinois - Government Site
Population: 53,859
Area: 281 square miles
County seat: Belvidere
Area code(s) in use: 815
Time zone: CST
High school graduate or higher: 85.5%
Bachelor's degree or higher: 19.9%
Median household income: $63,670
Persons in poverty: 10.1%
Home ownership rate: 84.1%
Mean travel time to work: 31.9 minutes
Adjacent counties:
Dekalb McHenry Ogle Rock (WI) Walworth (WI) Winnebago