There are 147 Banks & Credit Unions in Rock Island County, Illinois, serving a population of 146,205 people in an area of 428 square miles. There is 1 Bank & Credit Union per 994 people, and 1 Bank & Credit Union per 2 square miles.
In Illinois, Rock Island County is ranked 9th of 102 counties in Banks & Credit Unions per capita, and 6th of 102 counties in Banks & Credit Unions per square mile.