| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Bank First, N.A. | Bank | 1 | $242.1M | 16.94% |
| 2 | CCFBank National Association | Bank | 2 | $220.2M | 15.41% |
| 3 | River Bank | Bank | 3 | $202.0M | 14.13% |
| 4 | 1St Community Credit Union | Credit union | 3 | $180.5M* | 12.63% |
| 5 | Bank of Cashton | Bank | 1 | $116.1M | 8.13% |
| 6 | R.I.A. Federal Credit Union | Credit union | 2 | $107.8M* | 7.54% |
| 7 | Tomah Area Credit Union | Credit union | 2 | $100.3M* | 7.02% |
| 8 | Westby Co-Op Credit Union | Credit union | 1 | $66.1M* | 4.63% |
| 9 | State Bank Financial | Bank | 1 | $63.3M | 4.43% |
| 10 | Ergo Bank | Bank | 3 | $61.4M | 4.29% |
| 3 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 | $1.43B | 13 | 22 | Bank First, N.A. | 16.9% | 1,125 |
| 2024 | $1.42B | 13 | 22 | River Bank | 17.3% | 1,182 |
| 2023 | $1.44B | 13 | 22 | River Bank | 17.0% | 1,132 |
| 2022 | $1.35B | 12 | 18 | River Bank | 20.0% | 1,239 |
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.