All McHenry County Government facilities will be CLOSED on Monday, May 28th in observance of Memorial Day.

County Government

Contact Us - Elected Officials & Department Heads

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Normal Business hours are from 8:00 am to 4:30 pm - Monday - Friday

McHenry County Government Center
2200 North Seminary Ave.
Woodstock IL 60098

(815) 334-4000


Majewski M.D., Anne L.McHenry County CoronerCoroner(815) 338-2144
McClellan, Mary E.McHenry County ClerkCounty Clerk(815) 334-4242
Miller, Glenda L.McHenry County TreasurerTreasurer(815) 334-4260