| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Royal Credit Union | Credit union | 8 | $698.8M* | 33.35% |
| 2 | Northwestern Bank | Bank | 5 | $392.2M | 18.72% |
| 3 | Security Financial Bank | Bank | 1 | $155.5M | 7.42% |
| 4 | Security Bank | Bank | 2 | $152.6M | 7.29% |
| 5 | Citizens State Bank | Bank | 6 | $151.5M | 7.23% |
| 6 | Associated Bank, National Association | Bank | 2 | $87.8M | 4.19% |
| 7 | Marine Credit Union | Credit union | 2 | $87.5M* | 4.17% |
| 8 | Westconsin Credit Union | Credit union | 1 | $86.3M* | 4.12% |
| 9 | U.S. Bank National Association | Bank | 1 | $76.5M | 3.65% |
| 10 | BMO Bank National Association | Bank | 1 | $64.5M | 3.08% |
| 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 |
|---|---|---|---|---|---|---|
| 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 | 35.5% | 1,920 |
| 2022 | $2.09B | 14 | 33 | Royal Credit Union | 37.7% | 2,015 |
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.