| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Isabella Bank | Bank | 10 | $741.0M | 38.42% |
| 2 | Mercantile Bank | Bank | 3 | $340.4M | 17.65% |
| 3 | Isabella Community Credit Union | Credit union | 4 | $192.2M* | 9.96% |
| 4 | Wildfire Credit Union | Credit union | 1 | $144.8M* | 7.51% |
| 5 | Members First Credit Union | Credit union | 2 | $138.9M* | 7.20% |
| 6 | PNC Bank, National Association | Bank | 2 | $132.4M | 6.87% |
| 7 | Lake Trust Credit Union | Credit union | 1 | $104.5M* | 5.42% |
| 8 | Fifth Third Bank, National Association | Bank | 1 | $74.8M | 3.88% |
| 9 | The Huntington National Bank | Bank | 1 | $59.8M | 3.10% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $1.93B | 9 | 25 | Isabella Bank | 38.4% | 2,096 |
| 2024 | $1.88B | 9 | 25 | Isabella Bank | 38.4% | 2,086 |
| 2023 | $1.72B | 9 | 26 | Isabella Bank | 42.1% | 2,317 |
| 2022 | $1.79B | 9 | 26 | Isabella Bank | 43.5% | 2,443 |
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.