Council Hill Township is one of twenty-three townships in Jo Daviess County, Illinois, USA. As of the 2010 census, its population was 141 …Council Hill Township is one of twenty-three townships in Jo Daviess County, Illinois, USA. As of the 2010 census, its population was 141 and it contained 82 housing units. Its name changed from Scales Township on December 6, 1853.