Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| DeWitt Bank & Trust Co. | Dewitt, IA | 06-15-1933 | $240,371 | BK |
| Farmers Savings Bank | Colesburg, IA | 01-01-1907 | $240,006 | BK |
| County Bank | Sigourney, IA | 01-01-1884 | $239,971 | BK |
| Farmers and Merchants State Bank | Winterset, IA | 08-11-1938 | $239,750 | BK |
| Farmers & Merchants Bank & Trust | Burlington, IA | 01-01-1916 | $239,258 | BK |
| The Citizens First National Bank of Storm Lake | Storm Lake, IA | 02-01-1902 | $238,789 | BK |
| Northwest Bank & Trust Company | Davenport, IA | 07-07-1941 | $237,447 | BK |
| State Savings Bank | West Des Moines, IA | 07-04-1894 | $236,313 | BK |
| Blue Grass Savings Bank | Blue Grass, IA | 01-01-1902 | $230,414 | BK |
| Westside State Bank | Westside, IA | 06-01-1907 | $229,379 | BK |
| CITIZENS COMMUNITY | Fort Dodge, IA | 01-01-1940 | $222,912 | CU |
| Houghton State Bank | Red Oak, IA | 01-01-1879 | $219,888 | BK |
| Malvern Bank | Malvern, IA | 01-01-1892 | $218,691 | BK |
| Farmers State Bank | Northwood, IA | 11-15-1921 | $217,712 | BK |
| FINANCIAL PLUS | West Des Moines, IA | 01-01-1929 | $215,032 | CU |