Bank of Northern Illinois
| Status: | Inactive as of 07/31/1995 |
| Merger - Without Assistance | |
| Successor Bank: | State Financial Bank |
| Headquarters: | Bank of Northern Illinois 1301 Waukegan Road Glenview, IL 60025 |
| Established: | 06/30/1960 |
| FDIC Insurance: | 06/30/1960 |
| FDIC Cert: | #18267 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $61,930,000 |
| Total Deposits: | $56,297,000 |
History
| 1960-06-30 | Institution established: Original name:The First Trust and Savings Bank | |
| 1989-04-10 | Changed name to Bank of Northern Illinois | |
| 1991-01-02 | Reorganized. | |
| 1995-07-31 | Changed name to Bank of Northern Illinois, National Association (3753) | |
| 1995-07-31 | Merged into and subsequently operated as part of Bank of Northern Illinois, National Association (3753) in WAUKEGAN, IL | |
| 2000-10-09 | Moved bank headquarters from WAUKEGAN, IL to HALES CORNERS, WI | |
| 2000-10-09 | Changed name to State Financial Bank, National Association (3753) | |
| 2000-10-09 | Acquired Home Federal Savings and Loan Association of Elgin (30252) in ELGIN, IL | |
| 2000-10-09 | Acquired State Financial Bank-Waterford (13047) in WATERFORD, WI | |
| 2000-10-09 | Acquired State Financial Bank (10461) in RICHMOND, IL | |
| 2000-10-09 | Acquired State Financial Bank (13448) in HALES CORNERS, WI | |
| 2001-07-07 | Acquired Liberty Bank (19781) in MILWAUKEE, WI | |
| 2003-12-06 | Acquired Hawthorn Bank (33566) in MUNDELEIN, IL | |
| 2003-12-06 | Acquired Anchor Bank (33467) in THIRD LAKE, IL | |
| 2005-11-04 | Merged into and subsequently operated as part of Associated Bank, National Association (5296) in GREEN BAY, WI | |
| 2007-06-29 | Acquired The First National Bank of Hudson (5348) in WOODBURY, MN | |
| 2018-06-24 | Acquired Bank Mutual (30125) in BROWN DEER, WI | |
| 2020-02-14 | Acquired The First National Bank in Staunton (14924) in STAUNTON, IL |