There are 2727 Banks & Credit Unions in Cook County, Illinois, serving a population of 5,238,541 people in an area of 946 square miles. There is 1 Bank & Credit Union per 1,920 people, and 1 Bank & Credit Union per square mile.
In Illinois, Cook County is ranked 67th of 102 counties in Banks & Credit Unions per capita, and 1st of 102 counties in Banks & Credit Unions per square mile.