| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Bank of Mauston | Bank | 5 | $331.6M | 52.83% |
| 2 | Royal Bank | Bank | 4 | $205.0M | 32.66% |
| 3 | Oakdale Credit Union | Credit union | 1 | $37.6M* | 5.99% |
| 4 | Farmers and Merchants Union Bank | Bank | 1 | $28.7M | 4.58% |
| 5 | One Community Bank | Bank | 2 | $24.7M | 3.93% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $627.7M | 5 | 13 | Bank of Mauston | 52.8% | 3,930 |
| 2025 | $651.7M | 6 | 14 | Bank of Mauston | 48.7% | 3,351 |
| 2024 | $637.0M | 6 | 14 | Bank of Mauston | 49.0% | 3,379 |
| 2023 | $595.8M | 6 | 14 | Bank of Mauston | 49.7% | 3,368 |
| 2022 | $613.6M | 6 | 14 | Bank of Mauston | 51.6% | 3,489 |
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.