| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | CoVantage Credit Union | Credit union | 2 | $277.8M* | 29.16% |
| 2 | Associated Bank, National Association | Bank | 2 | $172.4M | 18.10% |
| 3 | BMO Bank National Association | Bank | 1 | $109.8M | 11.53% |
| 4 | Bonduel State Bank | Bank | 1 | $104.5M | 10.97% |
| 5 | Capital Credit Union | Credit union | 1 | $92.9M* | 9.76% |
| 6 | Premier Community Bank | Bank | 2 | $79.6M | 8.35% |
| 7 | AbbyBank | Bank | 2 | $47.7M | 5.01% |
| 8 | Bank First, N.A. | Bank | 1 | $43.2M | 4.53% |
| 9 | First National Bank in Tigerton | Bank | 2 | $24.6M | 2.58% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $952.5M | 9 | 14 | CoVantage Credit Union | 29.2% | 1,648 |
| 2024 | $946.9M | 9 | 14 | CoVantage Credit Union | 31.1% | 1,729 |
| 2023 | $1.03B | 9 | 15 | CoVantage Credit Union | 39.0% | 2,120 |
| 2022 | $1.08B | 8 | 14 | CoVantage Credit Union | 40.5% | 2,269 |
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.