Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Security State Bank | Algona, IA | 03-01-1931 | $121,403 | BK |
| Farmers and Merchants Savings Bank | Iowa City, IA | 09-25-1901 | $119,902 | BK |
| Cedar Valley Bank & Trust | La Porte City, IA | 07-06-1906 | $119,171 | BK |
| First State Bank | Stuart, IA | 01-01-1934 | $118,984 | BK |
| NORTH IOWA COMMUNITY | MASON CITY, IA | 01-01-1956 | $118,639 | CU |
| First Community Bank | Newell, IA | 01-01-1912 | $115,525 | BK |
| ADVANTAGE | Newton, IA | 01-01-1937 | $113,778 | CU |
| Security State Bank | Radcliffe, IA | 10-14-1914 | $113,231 | BK |
| Corydon State Bank | Corydon, IA | 01-01-1926 | $112,633 | BK |
| Maynard Savings Bank | Maynard, IA | 01-01-1895 | $109,497 | BK |
| FNNB Bank | Newton, IA | 03-28-1932 | $108,091 | BK |
| Community Bank of Oelwein | Oelwein, IA | 10-01-1998 | $108,004 | BK |
| Sibley State Bank | Sibley, IA | 01-01-1894 | $106,829 | BK |
| RIVER VALLEY | AMES, IA | 01-01-1961 | $106,097 | CU |
| Twin Cedars Bank | Bussey, IA | 03-27-1931 | $101,338 | BK |