Jo Daviess County is located in the northwest corner of Illinois, and is bordered by Wisconsin to the north and Iowa to the west. The county seat is Galena.

The government of Jo Daviess County, Illinois is composed of a Board of Commissioners, elected from seven districts, and a County Administrator. The Board of Commissioners is responsible for setting the budget, levying taxes, and making policy decisions.

The county is home to several state parks, including Apple River Canyon State Park, Hennepin Canal Parkway State Park, and Mississippi Palisades State Park. The county is also home to several wineries, breweries, and distilleries.

For the most up-to-date and in-depth information, please check the public records links below.