There are 7457 Banks & Credit Unions in Illinois, serving a population of 12,854,526 people in an area of 55,505 square miles. There is 1 Bank & Credit Union per 1,723 people, and 1 Bank & Credit Union per 7 square miles.
The state of Illinois is ranked 21st in Banks & Credit Unions per capita, and 12th in Banks & Credit Unions per square mile.