Every FDIC-insured bank branch in Ogle County, Illinois as of June 30, 2025. County land area: 759 square miles, 2.5 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Stillman BancCorp N.A. | 4 | $306.3M |
| Holcomb Bank | 3 | $199.2M |
| Central Bank Illinois | 2 | $301.2M |
| Sterling Federal Bank, F.S.B. | 2 | $27.2M |
| Byron Bank | 2 | $247.4M |
| Solutions Bank | 1 | $98.9M |
| The First National Bank in Amboy | 1 | $15.0M |
| First State Bank | 1 | $64.4M |
| First State Bank Shannon-Polo | 1 | $75.0M |
| Union Savings Bank | 1 | $39.1M |
| The Harvard State Bank | 1 | $61.3M |