Cook County, Illinois
Cities
- Arlington Heights
- Barrington Hills (partly in Kane County, Lake County, and McHenry County)
- Barrington (partly in Lake County)
- Bartlett (partly in DuPage County and Kane County)
- Bensenville (partly in DuPage County)
- Buffalo Grove (partly in Lake County)
- Chicago
- Deer Park (partly in Lake County)
- Deerfield (partly in Lake County)
- Des Plaines
- East Dundee (partly in Kane County)
- Elgin (partly in Kane County)
- Elk Grove Village (partly in DuPage County)
- Elmhurst (partly in DuPage County)
- Elmwood Park
- Evanston
- Franklin Park
- Glencoe
- Glenview
- Golf
- Hanover Park (partly in DuPage County)
- Harwood Heights
- Hoffman Estates (partly in Kane County)
- Kenilworth
- La Grange
- Lincolnwood
- Morton Grove
- Mount Prospect
- Niles
- Norridge
- Northbrook
- Northfield
- Northlake
- Palatine
- Prospect Heights
- River Grove
- Rolling Meadows
- Roselle (partly in DuPage County)
- Rosemont
- Schaumburg (partly in DuPage County)
- Schiller Park
- Skokie
- South Barrington
- Streamwood
- Wheeling (partly in Lake County)
- Wilmette
- Winnetka
