| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Heartland Bank and Trust Company | Bank | 3 | $329.7M | 26.15% |
| 2 | United Community Bank | Bank | 4 | $240.8M | 19.09% |
| 3 | Associated Bank, National Association | Bank | 1 | $162.8M | 12.91% |
| 4 | Constitution Bank, National Association | Bank | 2 | $108.4M | 8.59% |
| 5 | Prairie State Bank and Trust | Bank | 3 | $94.2M | 7.47% |
| 6 | Warren-Boynton State Bank | Bank | 2 | $61.9M | 4.91% |
| 7 | U.S. Bank National Association | Bank | 1 | $52.7M | 4.18% |
| 8 | Bank of Springfield | Bank | 1 | $49.5M | 3.92% |
| 9 | Bank & Trust Company | Bank | 1 | $49.0M | 3.88% |
| 10 | The First National Bank of Raymond | Bank | 2 | $48.7M | 3.86% |
| 4 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 |
|---|---|---|---|---|---|---|
| 2026 | $1.26B | 14 | 24 | Heartland Bank and Trust Company | 26.1% | 1,440 |
| 2025 | $1.33B | 14 | 24 | Cnb Bank And Trust, N.A. | 32.5% | 1,671 |
| 2024 | $1.29B | 14 | 24 | Cnb Bank And Trust, N.A. | 33.4% | 1,721 |
| 2023 | $1.28B | 14 | 24 | Cnb Bank And Trust, N.A. | 32.3% | 1,646 |
| 2022 | $1.18B | 14 | 25 | Cnb Bank And Trust, N.A. | 26.8% | 1,458 |
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.