The Boone County Jail is located in Belvidere, Illinois at 615 North Main Street 61008. The jail staff can be reached by calling (815) 544-9322.
Source: U.S. Census Bureau
Boone has a total population of 54,020. The population has increased by 12,236 (29%) from 2000 through 2009. The population density is 192.5 and covers 281 square miles.