Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| First Bank | Waverly, IA | 01-01-1864 | $726,786 | BK |
| CORDA | Cedar Rapids, IA | 01-01-1935 | $721,038 | CU |
| Premier Bank | Rock Valley, IA | 02-25-1997 | $716,349 | BK |
| Green Belt Bank & Trust | Iowa Falls, IA | 07-31-1986 | $711,963 | BK |
| GREATER IOWA | Ames, IA | 01-01-1932 | $677,643 | CU |
| Marion County State Bank | Pella, IA | 09-21-1935 | $641,857 | BK |
| GNB Bank | Grundy Center, IA | 03-16-1934 | $626,781 | BK |
| Midstates Bank, National Association | Council Bluffs, IA | 01-01-1913 | $623,107 | BK |
| South Story Bank & Trust | Slater, IA | 09-01-1954 | $619,883 | BK |
| First State Bank | Webster City, IA | 10-15-1935 | $608,579 | BK |
| Clear Lake Bank and Trust Company | Clear Lake, IA | 01-01-1934 | $606,948 | BK |
| Community Savings Bank | Edgewood, IA | 01-10-1910 | $605,934 | BK |
| Farmers Trust and Savings Bank | Spencer, IA | 04-07-1916 | $601,558 | BK |
| Liberty National Bank | Sioux City, IA | 03-17-2003 | $597,617 | BK |
| Farmers & Merchants Savings Bank | Manchester, IA | 07-20-1925 | $594,459 | BK |