| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Banterra Bank | Bank | 9 | $561.5M | 26.67% |
| 2 | The Bank of Herrin | Bank | 5 | $324.7M | 15.42% |
| 3 | First Southern Bank | Bank | 9 | $322.8M | 15.33% |
| 4 | Siu Credit Union | Credit union | 2 | $136.3M* | 6.47% |
| 5 | Farmers State Bank of Alto Pass, Ill. | Bank | 3 | $136.3M | 6.47% |
| 6 | Peoples National Bank , N.A. | Bank | 3 | $120.2M | 5.71% |
| 7 | U.S. Bank National Association | Bank | 1 | $106.9M | 5.08% |
| 8 | Fifth Third Bank, National Association | Bank | 1 | $72.1M | 3.43% |
| 9 | Legence Bank | Bank | 2 | $70.1M | 3.33% |
| 10 | SouthernTrust Bank | Bank | 1 | $70.0M | 3.33% |
| 7 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 | $2.11B | 17 | 46 | Banterra Bank | 26.7% | 1,383 |
| 2024 | $1.87B | 17 | 46 | Banterra Bank | 21.7% | 1,261 |
| 2023 | $1.90B | 17 | 46 | Banterra Bank | 25.5% | 1,353 |
| 2022 | $1.87B | 17 | 45 | Banterra Bank | 22.9% | 1,274 |
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.