| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | City State Bank | Bank | 5 | $468.8M | 32.24% |
| 2 | Peoples Savings Bank | Bank | 4 | $406.9M | 27.98% |
| 3 | TruBank | Bank | 3 | $198.9M | 13.68% |
| 4 | Luana Savings Bank | Bank | 1 | $101.7M | 6.99% |
| 5 | Wells Fargo Bank, National Association | Bank | 1 | $88.5M | 6.09% |
| 6 | Greater Iowa Credit Union | Credit union | 1 | $61.7M* | 4.24% |
| 7 | First Interstate Bank | Bank | 1 | $43.5M | 2.99% |
| 8 | BMO Bank National Association | Bank | 1 | $43.3M | 2.98% |
| 9 | Community 1St Credit Union | Credit union | 1 | $40.9M* | 2.81% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $1.45B | 9 | 18 | City State Bank | 32.2% | 2,139 |
| 2025 | $1.35B | 9 | 18 | City State Bank | 32.9% | 2,128 |
| 2024 | $1.26B | 9 | 18 | City State Bank | 34.7% | 2,252 |
| 2023 | $1.27B | 9 | 18 | City State Bank | 32.8% | 2,174 |
| 2022 | $1.22B | 9 | 18 | City State Bank | 30.3% | 1,994 |
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.