| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Commercial Bank | Bank | 4 | $295.6M | 32.78% |
| 2 | Mercantile Bank | Bank | 3 | $233.5M | 25.89% |
| 3 | Isabella Bank | Bank | 2 | $125.7M | 13.94% |
| 4 | The Huntington National Bank | Bank | 1 | $76.1M | 8.44% |
| 5 | Gratiot Community Credit Union | Credit union | 4 | $53.1M* | 5.89% |
| 6 | Michigan One Community Credit Union | Credit union | 1 | $42.3M* | 4.69% |
| 7 | Journey Federal Credit Union | Credit union | 1 | $41.5M* | 4.60% |
| 8 | Graco Federal Credit Union | Credit union | 1 | $34.0M* | 3.77% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $901.7M | 8 | 17 | Commercial Bank | 32.8% | 2,102 |
| 2025 | $844.0M | 7 | 16 | Commercial Bank | 35.6% | 2,357 |
| 2024 | $837.0M | 7 | 16 | Commercial Bank | 38.2% | 2,424 |
| 2023 | $851.6M | 7 | 16 | Commercial Bank | 38.3% | 2,349 |
| 2022 | $926.2M | 7 | 16 | Commercial Bank | 38.4% | 2,359 |
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.