DeKalb County Government

County Yearbook

View the current DeKalb County Reference & Yearbook.

County Website

DeKalb County, Illinois is located just 60 miles west of Lake Michigan. A county staff of over 525 highly dedicated people works on behalf of our nearly 105,160 citizens.

Joiner History Room

The Joiner History Room archives many of the county’s earliest records and is concerned with safeguarding the county’s heritage represented by theses historical documents. Historical materials date back to the hand written minutes of the first session of the County Commissioners in 1837.