Illinois Regional Archives Depository (IRAD) System Illinois State Archives

McHenry County

McHenry County  Courthouse Contact Information
McHenry County Government Center
2200 N. Seminary Ave.
Woodstock, IL 60098
815-334-4242 – County Clerk
815-334-4310 – Circuit Clerk
815-334-4110 – Recorder

IRAD Depository
Founders Memorial Library
Rm. 245B
Northern Illinois University
DeKalb, IL 60115


Origin of the name of the county

McHenry County  Courthouse

Present area, or parts of it, formerly included in

County Seats

History of county governing board

Township Government

Township Names

Township Map

County Township Map

Pertinent Databases