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