| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | The Bank of New Glarus | Bank | 5 | $379.3M | 28.17% |
| 2 | Woodford State Bank | Bank | 2 | $254.9M | 18.93% |
| 3 | The Bank of Brodhead | Bank | 2 | $206.9M | 15.37% |
| 4 | UMB Bank, National Association | Bank | 1 | $160.4M | 11.91% |
| 5 | Bank Cmg | Bank | 3 | $112.2M | 8.33% |
| 6 | Summit Credit Union | Credit union | 1 | $111.5M* | 8.28% |
| 7 | Marine Credit Union | Credit union | 1 | $43.7M* | 3.25% |
| 8 | Lake Ridge Bank | Bank | 1 | $40.8M | 3.03% |
| 9 | First Community CU Of Beloit Credit Union | Credit union | 1 | $36.7M* | 2.73% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $1.35B | 9 | 17 | The Bank of New Glarus | 28.2% | 1,695 |
| 2024 | $1.10B | 8 | 15 | The Bank of New Glarus | 33.7% | 2,021 |
| 2023 | $1.08B | 8 | 16 | The Bank of New Glarus | 31.4% | 1,854 |
| 2022 | $1.05B | 8 | 16 | The Bank of New Glarus | 28.2% | 1,713 |
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