| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | UMB Bank, National Association | Bank | 1 | $118.5M | 47.39% |
| 2 | Westamerica Bank | Bank | 1 | $86.6M | 34.64% |
| 3 | Merco Credit Union | Credit union | 1 | $45.0M* | 17.98% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $250.1M | 3 | 3 | UMB Bank, National Association | 47.4% | 3,769 |
| 2024 | $129.1M | 2 | 2 | Westamerica Bank | 68.2% | 5,661 |
| 2023 | $141.6M | 2 | 2 | Westamerica Bank | 68.2% | 5,665 |
| 2022 | $140.2M | 2 | 2 | Westamerica Bank | 67.9% | 5,641 |
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.