Illinois Counties and Municipalities

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BOONE CO.	COOK CO.	DEKALB CO.	DU PAGE CO.
Village of Capron Village of Timberlane	City of Northlake Village of Sauk Village	Village of Waterman
KANE CO.	KANKAKEE CO.	LAKE CO.	LASALLE CO.
Village of Lily Lake	Village of Grant Park	Village of Grays Lake Village of Green Oaks Village of Volo	LaSalle County (IIL serves all unincorporated LaSalle County communities)
MCHENRY CO.	WILL CO.
Village of Bull Valley Village of Lake in the Hills Village of Lakemoor Village of Wonder Lake	Village of Beecher Village of Peotone