| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Shell Lake State Bank | Bank | 3 | $266.8M | 53.20% |
| 2 | CCFBank National Association | Bank | 1 | $111.2M | 22.18% |
| 3 | Dairy State Bank | Bank | 1 | $46.5M | 9.28% |
| 4 | BMO Bank National Association | Bank | 1 | $29.5M | 5.87% |
| 5 | Indianhead Credit Union | Credit union | 1 | $27.8M* | 5.55% |
| 6 | Johnson Bank | Bank | 1 | $19.7M | 3.92% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $501.5M | 6 | 8 | Shell Lake State Bank | 53.2% | 3,489 |
| 2025 | $483.7M | 6 | 8 | Shell Lake State Bank | 53.2% | 3,473 |
| 2024 | $463.7M | 6 | 8 | Shell Lake State Bank | 52.5% | 3,402 |
| 2023 | $450.8M | 6 | 8 | Shell Lake State Bank | 51.6% | 3,312 |
| 2022 | $451.0M | 6 | 8 | Shell Lake State Bank | 49.5% | 3,157 |
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.