There are 195 Banks & Credit Unions in St. Louis County, Missouri, serving a population of 999,539 people in an area of 508 square miles. There is 1 Bank & Credit Union per 5,125 people, and 1 Bank & Credit Union per 2 square miles.
In Missouri, St. Louis County is ranked 106th of 115 counties in Banks & Credit Unions per capita, and 4th of 115 counties in Banks & Credit Unions per square mile.