| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Blackhawk Bank & Trust | Bank | 12 | $1.19B | 21.85% |
| 2 | I. H. Mississippi Valley Credit Union | Credit union | 7 | $941.6M* | 17.36% |
| 3 | Vibrant Credit Union | Credit union | 3 | $718.9M* | 13.25% |
| 4 | TBK BANK, SSB | Bank | 7 | $235.1M | 4.33% |
| 5 | Empeople Credit Union | Credit union | 4 | $233.9M* | 4.31% |
| 6 | R.I.A. Federal Credit Union | Credit union | 4 | $212.9M* | 3.93% |
| 7 | Quad City Bank and Trust Company | Bank | 1 | $193.3M | 3.56% |
| 8 | CBI Bank & Trust | Bank | 2 | $184.8M | 3.41% |
| 9 | Old National Bank | Bank | 2 | $181.2M | 3.34% |
| 10 | Wells Fargo Bank, National Association | Bank | 2 | $172.2M | 3.17% |
| 17 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 |
|---|---|---|---|---|---|---|
| 2026 | $5.42B | 27 | 71 | Blackhawk Bank & Trust | 21.9% | 1,094 |
| 2025 | $5.35B | 27 | 71 | Blackhawk Bank & Trust | 20.2% | 991 |
| 2024 | $5.05B | 27 | 70 | Blackhawk Bank & Trust | 19.8% | 993 |
| 2023 | $4.98B | 28 | 70 | I. H. Mississippi Valley Credit Union | 21.8% | 1,028 |
| 2022 | $5.40B | 28 | 70 | I. H. Mississippi Valley Credit Union | 20.1% | 968 |
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.