Law Enforcement Agencies in Idlewood, IL IL › Jefferson County Agencies serving the city of Idlewood in IL. Agency Types in Idlewood Coroners 1 agencies County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Idlewood, IL Jefferson County Coroners Office Jefferson County Jefferson County Justice Center Jefferson County Jefferson County Sheriffs Office Jefferson County Mount Vernon Police Department Jefferson County
