| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | The First National Bank in Sioux Falls | Bank | 1 | $94.3M | 62.14% |
| 2 | BankWest, Inc. | Bank | 1 | $39.9M | 26.31% |
| 3 | First Savings Bank | Bank | 1 | $17.5M | 11.55% |
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $151.8M | 3 | 3 | The First National Bank in Sioux Falls | 62.1% | 4,687 |
| 2025 | $160.8M | 3 | 3 | The First National Bank in Sioux Falls | 56.9% | 4,172 |
| 2024 | $134.7M | 3 | 3 | The First National Bank in Sioux Falls | 67.4% | 5,086 |
| 2023 | $135.0M | 3 | 3 | The First National Bank in Sioux Falls | 67.1% | 5,076 |
| 2022 | $123.5M | 3 | 3 | The First National Bank in Sioux Falls | 81.3% | 6,825 |
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.