What are “Cook County Zones”?
Cook County is divided into five zones for the position titles listed below for the purpose of administering eligible lists. The open competitive position titles which Cook County zones apply are: Automotive Mechanic Child Development Aide Cook I Heavy Construction Equipment Operator Highway Maintainer Highway Maintenance Lead Worker Laborer (Maintenance) Licensed Practical Nurse I & II Office Aide Office Assistant Office Clerk Security Officer Stores Clerk Storekeeper I Support Service Worker View the Cook County map [PDF, 1.8MB] and respective zones. The map is in PDF format and may be viewed using Acrobat Reader.