| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Royal Credit Union | Credit union | 8 | $728.2M* | 32.54% |
| 2 | Northwestern Bank | Bank | 5 | $417.6M | 18.66% |
| 3 | Security Bank | Bank | 2 | $165.3M | 7.38% |
| 4 | Citizens State Bank | Bank | 4 | $155.5M | 6.95% |
| 5 | Security Financial Bank | Bank | 1 | $147.8M | 6.60% |
| 6 | Associated Bank, National Association | Bank | 2 | $132.7M | 5.93% |
| 7 | Marine Credit Union | Credit union | 2 | $94.0M* | 4.20% |
| 8 | Westconsin Credit Union | Credit union | 1 | $92.4M* | 4.13% |
| 9 | U.S. Bank National Association | Bank | 1 | $76.7M | 3.43% |
| 10 | BMO Bank National Association | Bank | 1 | $57.9M | 2.59% |
| 6 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $2.24B | 16 | 33 | Royal Credit Union | 32.5% | 1,656 |
| 2025 | $2.10B | 16 | 35 | Royal Credit Union | 33.4% | 1,709 |
| 2024 | $1.98B | 16 | 35 | Royal Credit Union | 32.7% | 1,710 |
| 2023 | $2.06B | 16 | 35 | Royal Credit Union | 35.3% | 1,908 |
| 2022 | $2.09B | 14 | 33 | Royal Credit Union | 37.5% | 2,002 |
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.