Illinois Regional Archives Depository (IRAD) System Illinois State Archives

DeKalb County

DeKalb County Courthouse Contact Information
County Clerk and Recorder
DeKalb County Administration Building
110 E. Sycamore St.
Sycamore, IL 60178

Circuit Clerk
DeKalb County Courthouse
133 W. State St.
Sycamore, IL 60178

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


Origin of the name of the county

DeKalb Administration Building

Present area, or parts of it, formerly included in

County Seats

History of county governing board

Township Government

Township Names

Township Map

DeKalb County Township Map

Pertinent Databases