Access your account anytime.

Help

Register - Personal or Commercial

Disclaimer

What are you looking for?

Announcements

We would like to thank you for your loyalty and business this past year. We look forward to serving you in 2025. Our Dakota Dunes and Dupree locations will be closed on January 1, 2025 for New Year’s Day.

About Us

1st Financial Bank USA, founded in 1910, is an FDIC insured, state chartered bank headquartered in Dakota Dunes, South Dakota. At its two South Dakota community banking locations in Dupree and Dakota Dunes, the Bank offers a full range of retail banking services and products.

dakota_dunes

  Dakota Dunes, SD

dupree_branch

Dupree, SD 

Take us with you

Download the 1FB Community Banking mobile app.

Download on the App Store
Get it on Google Play
Member FDIC

© 2001-2024 1st Financial Bank USA.

Download the 1FBUSA Community Banking Mobile App today!