There are 313 Town & City Halls in Illinois, serving a population of 12,854,526 people in an area of 55,505 square miles. There is 1 Town & City Hall per 41,068 people, and 1 Town & City Hall per 177 square miles.
The state of Illinois is ranked 35th in Town & City Halls per capita, and 19th in Town & City Halls per square mile.