| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | BMO Bank National Association | Bank | 1 | $172.5M | 19.79% |
| 2 | Nicolet National Bank | Bank | 1 | $156.5M | 17.95% |
| 3 | Associated Bank, National Association | Bank | 2 | $129.8M | 14.89% |
| 4 | IncredibleBank | Bank | 1 | $96.2M | 11.04% |
| 5 | Headwaters State Bank | Bank | 2 | $93.9M | 10.78% |
| 6 | Peoples State Bank | Bank | 1 | $66.1M | 7.58% |
| 7 | Chippewa Valley Bank | Bank | 1 | $51.6M | 5.92% |
| 8 | Ripco Credit Union | Credit union | 1 | $40.7M* | 4.68% |
| 9 | U.S. Bank National Association | Bank | 1 | $35.0M | 4.02% |
| 10 | Great North Bank | Bank | 1 | $16.5M | 1.89% |
| 2 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 | $871.5M | 12 | 14 | BMO Bank National Association | 19.8% | 1,309 |
| 2024 | $808.1M | 11 | 13 | BMO Bank National Association | 21.0% | 1,348 |
| 2023 | $807.7M | 10 | 13 | BMO Bank National Association | 19.7% | 1,322 |
| 2022 | $846.9M | 10 | 13 | Nicolet National Bank | 19.9% | 1,334 |
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.