Headquarted: Sterling, Illinois
Chartered: 1885
Past Names: Whiteside County Building & Loan Association
Website: http://www.sterlingfederal.com
 | A sign for the Sterling Federal Bank branch in Rock Falls, IL. (May, 2012) |
 | A sign for the Sterling Federal Bank branch in Sterling, IL. (May, 2012) |
 | A sign for the Sterling Federal Bank branch in Dixon, IL. (May, 2012) |
 | A sign for the Sterling Federal Bank branch in Dixon, IL. (May, 2012) |
 | A Sterling Federal Bank branch in Clinton, IA. (July, 2015) |
 | A Sterling Federal branch in Mt. Morris, IL. (October, 2021) |
 | A Sterling Federal Bank branch in Morrison, IL. (September, 2024) |
 | A Sterling Federal Bank branch in Byron, IL. (September, 2025) |