| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | First Savings Bank | Bank | 2 | $82.7M | 41.76% |
| 2 | Norstar Federal Credit Union | Credit union | 2 | $61.9M* | 31.25% |
| 3 | Dacotah Bank | Bank | 1 | $27.6M | 13.95% |
| 4 | Great Plains Bank | Bank | 1 | $25.8M | 13.03% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $197.9M | 4 | 6 | First Savings Bank | 41.8% | 3,085 |
| 2024 | $197.1M | 4 | 6 | First Savings Bank | 44.0% | 3,156 |
| 2023 | $204.7M | 4 | 6 | First Savings Bank | 44.0% | 3,258 |
| 2022 | $209.4M | 4 | 6 | First Savings Bank | 56.7% | 3,908 |
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.