There are 800 Banks & Credit Unions in South Dakota, serving a population of 855,444 people in an area of 75,791 square miles. There is 1 Bank & Credit Union per 1,069 people, and 1 Bank & Credit Union per 94 square miles.
The state of South Dakota is ranked 4th in Banks & Credit Unions per capita, and 47th in Banks & Credit Unions per square mile.