There are 200 Banks & Credit Unions in Polk County, Iowa, serving a population of 467,235 people in an area of 574 square miles. There is 1 Bank & Credit Union per 2,336 people, and 1 Bank & Credit Union per 2 square miles.
In Iowa, Polk County is ranked 81st of 99 counties in Banks & Credit Unions per capita, and 1st of 99 counties in Banks & Credit Unions per square mile.