| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | CBI Bank & Trust | Bank | 4 | $403.8M | 39.95% |
| 2 | Community Bank and Trust Company | Bank | 3 | $200.9M | 19.87% |
| 3 | Members Community Credit Union | Credit union | 2 | $78.3M* | 7.75% |
| 4 | U.S. Bank National Association | Bank | 1 | $76.1M | 7.53% |
| 5 | South Ottumwa Savings Bank | Bank | 1 | $70.6M | 6.98% |
| 6 | Ascentra Credit Union | Credit union | 1 | $54.8M* | 5.42% |
| 7 | R.I.A. Federal Credit Union | Credit union | 1 | $53.9M* | 5.33% |
| 8 | DeWitt Bank & Trust Co. | Bank | 1 | $42.4M | 4.19% |
| 9 | The Family Credit Union | Credit union | 1 | $22.2M* | 2.20% |
| 10 | Farmers and Merchants Savings Bank | Bank | 1 | $7.8M | 0.77% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $1.01B | 10 | 16 | CBI Bank & Trust | 40.0% | 2,237 |
| 2024 | $903.4M | 10 | 16 | CBI Bank & Trust | 38.9% | 2,197 |
| 2023 | $954.5M | 10 | 16 | CBI Bank & Trust | 39.3% | 2,222 |
| 2022 | $977.2M | 10 | 16 | CBI Bank & Trust | 36.5% | 1,973 |
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.