Online Banking Center

Bank of Sun Prairie was founded on the principle of helping the local community grow and prosper. The bank has been dedicated to helping the Dane County community for the last 115 years.

When you open a new personal checking account, you’ll receive a $150 cash bonus AND we’ll donate $150 to a Dane County charity or nonprofit organization of your choice!*  

Checking AccountsLearn more

Compare our checking accounts to determine which one is right for you!


Switch Today!Switch Today

We want to make your move to our bank as easy as possible.
Our Switch Kit contains everything you’ll need to close your existing accounts without having to visit your old financial institution. 


Personal BankingLearn more

Our personal banking services include everything you need to manage your finances.


Stop by today and be the difference for your charity of choice.Find a Branch

*Qualifying Activity: Customer must have 2 or more direct deposit credits (ACH credits) from a valid employer payroll/pension or government entity of $500 or more or fifty (50) signature based debit card transactions must post to the account within 75 days of opening account to receive the $150 cash bonus and $150 charity or non-profit donation. The $150 cash bonus will be deposited into the checking account within 90 days of account opening. Account must be open at time of bonus payment.  If the account becomes overdrawn within the first 75 days, Bank of Sun Prairie reserves the right to deny this incentive. Minimum opening balance of $100 for all checking accounts. If the account you select to open pays interest, the Annual Percentage Yield (APY) is 0.04% and is effective as of 8/1/2019. Rate may change after the account is opened. Fees may reduce earnings on the account. All account opening requirements apply. This account requires estatements. Offer applies to new personal checking account households opened with new money not currently on deposit at Bank of Sun Prairie and have not had a personal checking account with Bank of Sun Prairie in the last 12 months.   One offer per household.  State of Wisconsin residents only. Donation to non-profit will be made after the $150 cash bonus is paid to the customer. Cash bonus will be reported as interest earned on IRS form 1099-INT and you are responsible for any applicable taxes. Postcard must be presented or mention of promotion at account opening to receive the bonus. Other restrictions may apply. ** Per your data provider SMS, message and data fees may apply. See Customer Service Representative for complete details. Offer expires September 30, 2019 or at the discretion of Bank of Sun Prairie.