Jo Daviess County Illinois (Vacant / Not In Use) has 3 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Apple River Fort Site, East Dubuque School, Wenner, Charles, House.
Some of the country's most noteable architects helped create the Jo Daviess County places including Charles Wenner and Thomas T. Carkeek. Prominent architectural styles found in Jo Daviess Country are Romanesque.