| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Westby Co-Op Credit Union | Credit union | 3 | $198.3M* | 22.90% |
| 2 | One Community Bank | Bank | 3 | $169.3M | 19.55% |
| 3 | Citizens First Bank | Bank | 1 | $157.1M | 18.14% |
| 4 | River Bank | Bank | 4 | $109.4M | 12.63% |
| 5 | Bank of Ontario | Bank | 3 | $68.9M | 7.95% |
| 6 | Peoples State Bank | Bank | 1 | $65.6M | 7.57% |
| 7 | Royal Bank | Bank | 2 | $54.9M | 6.33% |
| 8 | Associated Bank, National Association | Bank | 1 | $42.6M | 4.91% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $866.0M | 8 | 18 | Westby Co-Op Credit Union | 22.9% | 1,580 |
| 2024 | $823.6M | 8 | 19 | Westby Co-Op Credit Union | 22.9% | 1,638 |
| 2023 | $664.4M | 7 | 15 | Westby Co-Op Credit Union | 33.5% | 2,026 |
| 2022 | $686.9M | 7 | 15 | Westby Co-Op Credit Union | 32.5% | 2,038 |
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.