Law Enforcement Agencies in Belvidere, IL IL › Boone County Agencies serving the city of Belvidere in IL. Agency Types in Belvidere Coroners 1 agencies County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Belvidere, IL Belvidere Police Department Boone County Boone County Coroners Office Boone County Boone County Jail Boone County Boone County Sheriffs Department Boone County
