Sentinel Federal Credit Union, located in the beautiful Black Hills of South Dakota, is a not-for-profit financial cooperative that is owned by the people who use its services. Credit Unions serve people that share something in common, such as where they work, live or worship. This common bond is referred to as a field of membership.
History
Sentinel Federal Credit Union was founded in 1955 with a primary goal of serving the military personnel on Ellsworth Air Force Base in Box Elder, South Dakota. In 2005, we celebrated 50 years of service. Learn more about our history.
Newsletter
The newsletter section contains current Credit Union happenings and promotions. Read our current newsletter now.
Financials
We’ve provided our latest financial information on our Financials page.
Our Community
If you are new to the Black Hills and Rapid City, visit Our Community page to find helpful links to the Rapid City Chamber of Commerce web site and the Rapid City Convention & Visitors Bureau website. You’ll find more information on these spectacular attractions in South Dakota: Mount Rushmore National Memorial, Crazy Horse Memorial, and Black Hills National Forest plus so much more.
Locations
Sentinel Federal Credit Union has four convenient locations in South Dakota to serve you. We have three locations in the Black Hills area and another location in Winner, South Dakota. Our main office is located on Ellsworth Air Force Base in Box Elder, South Dakota.
