Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Audubon State Bank | Audubon, IA | 01-01-1876 | $163,402 | BK |
| CENT | Mason City, IA | 01-01-1965 | $161,952 | CU |
| Boone Bank & Trust Co. | Boone, IA | 01-16-1992 | $160,396 | BK |
| Templeton Savings Bank | Templeton, IA | 01-01-1923 | $160,260 | BK |
| Citizens Savings Bank | Anamosa, IA | 11-08-1906 | $159,742 | BK |
| NORTH STAR COMMUNITY | Cherokee, IA | 01-01-1972 | $158,970 | CU |
| TELCO TRIAD COMMUNITY | Sioux City, IA | 01-01-1945 | $158,398 | CU |
| Bank Plus | Estherville, IA | 03-01-1947 | $157,058 | BK |
| Federation Bank | Washington, IA | 11-01-1906 | $153,694 | BK |
| Farmers State Bank | Algona, IA | 01-01-1895 | $151,040 | BK |
| AFFINITY | Des Moines, IA | 01-01-1949 | $149,101 | CU |
| First State Bank | Belmond, IA | 07-01-1933 | $148,711 | BK |
| Hiawatha Bank and Trust Company | Hiawatha, IA | 09-15-1997 | $148,236 | BK |
| Bridge Community Bank | Mount Vernon, IA | 09-08-1903 | $147,957 | BK |
| Readlyn Savings Bank | Readlyn, IA | 05-15-1904 | $147,914 | BK |