Pioneer Bank is a financial services leader in southern Minnesota and northern Iowa, with offices in Mankato, North Mankato, St. James, Mapleton, Elmore and Delavan, Minnesota. Much of southern Minnesota and northern Iowa has come to depend on Pioneer.In today's volatile market and rate environment it's important to remember what's been true for more than 100 years - your deposits are safe and will grow at Pioneer Bank.. Health Savings Accounts are available at Pioneer Bank: Internet Banking; Pioneer Bank Kid's Club -- Learn as you earn! Power Savers: Newborn-8 yrs old; Free--no service charges; Minimum opening balance $10.00; Membership Cards; Quarterly Newsletter; Birthday Rewards. Smart Savers: 9-14 yrs old; Free-no service charges; Minimum opening balance $20.00; Membership Cards; Quarterly Newsletter; Birthday Rewards. Scholar Program: 15-18 yrs old; Free Checking; Free Debit Card; Internet Access; Eligible for a $500 scholarship. New Mobile Bankin