| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Old National Bank | Bank | 4 | $353.6M | 18.12% |
| 2 | Grundy Bank | Bank | 3 | $334.3M | 17.13% |
| 3 | Busey Bank | Bank | 2 | $205.5M | 10.53% |
| 4 | BMO Bank National Association | Bank | 2 | $192.3M | 9.85% |
| 5 | Financial Plus Credit Union | Credit union | 2 | $190.6M* | 9.77% |
| 6 | CIBC Bank USA | Bank | 1 | $180.1M | 9.23% |
| 7 | JPMorgan Chase Bank, National Association | Bank | 1 | $128.9M | 6.60% |
| 8 | Midland States Bank | Bank | 1 | $104.3M | 5.34% |
| 9 | OSB Community Bank | Bank | 1 | $59.0M | 3.02% |
| 10 | Streator Onized Credit Union | Credit union | 1 | $47.2M* | 2.42% |
| 5 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $1.95B | 15 | 23 | Old National Bank | 18.1% | 1,110 |
| 2024 | $1.83B | 15 | 23 | Old National Bank | 19.4% | 1,077 |
| 2023 | $1.86B | 15 | 23 | Old National Bank | 19.0% | 1,138 |
| 2022 | $1.94B | 15 | 23 | Old National Bank | 24.8% | 1,235 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.