RANKING ·
Largest banks by total assets in Iowa
227 of 227 banks in Iowa that filed for the quarter ended June 30, 2026 are ranked. Every bank that filed for the quarter. Institutions with equal values share a rank. Source: FDIC quarterly financial data.
| Rank | Institution | Headquarters | Total assets | Total assets |
|---|---|---|---|---|
| 1 | Principal Bank | Des Moines, IA | $9.8 billion | $9.8 billion |
| 2 | Bankers Trust Company | Des Moines, IA | $7.8 billion | $7.8 billion |
| 3 | Hills Bank and Trust Company | Hills, IA | $4.8 billion | $4.8 billion |
| 4 | West Bank | West Des Moines, IA | $4.0 billion | $4.0 billion |
| 5 | Northwest Bank | Spencer, IA | $3.0 billion | $3.0 billion |
| 6 | Cedar Rapids Bank and Trust Company | Cedar Rapids, IA | $2.9 billion | $2.9 billion |
| 7 | Quad City Bank and Trust Company | Bettendorf, IA | $2.8 billion | $2.8 billion |
| 8 | Fidelity Bank & Trust | Dubuque, IA | $2.6 billion | $2.6 billion |
| 9 | United Bank of Iowa | Ida Grove, IA | $2.5 billion | $2.5 billion |
| 10 | Bank Iowa | West Des Moines, IA | $2.3 billion | $2.3 billion |
| 11 | Luana Savings Bank | Luana, IA | $2.3 billion | $2.3 billion |
| 12 | Central Bank | Storm Lake, IA | $2.3 billion | $2.3 billion |
| 13 | First Citizens Bank | Mason City, IA | $1.8 billion | $1.8 billion |
| 14 | Community State Bank | Ankeny, IA | $1.7 billion | $1.7 billion |
| 15 | Availa Bank | Carroll, IA | $1.7 billion | $1.7 billion |
| 16 | Lincoln Savings Bank | Reinbeck, IA | $1.7 billion | $1.7 billion |
| 17 | Cbi Bank & Trust | Muscatine, IA | $1.7 billion | $1.7 billion |
| 18 | The Security National Bank of Sioux City, Iowa | Sioux City, IA | $1.7 billion | $1.7 billion |
| 19 | Farmers State Bank | Waterloo, IA | $1.6 billion | $1.6 billion |
| 20 | American State Bank | Sioux Center, IA | $1.4 billion | $1.4 billion |
| 21 | Bank Midwest | Spirit Lake, IA | $1.3 billion | $1.3 billion |
| 22 | Capra Bank | Dubuque, IA | $1.3 billion | $1.3 billion |
| 23 | Iowa State Bank | Hull, IA | $1.3 billion | $1.3 billion |
| 24 | Peoples Bank | Rock Valley, IA | $1.3 billion | $1.3 billion |
| 25 | Pilot Grove Savings Bank | Pilot Grove, IA | $1.2 billion | $1.2 billion |
| 26 | Farmers State Bank | Marion, IA | $1.1 billion | $1.1 billion |
| 27 | First National Bank Ames, Iowa | Ames, IA | $1.1 billion | $1.1 billion |
| 28 | Visionbank of Iowa | Ames, IA | $896 million | $896 million |
| 29 | Bankiowa | Cedar Rapids, IA | $846 million | $846 million |
| 30 | Premier Bank | Rock Valley, IA | $826 million | $826 million |
| 31 | Cusb Bank | Cresco, IA | $812 million | $812 million |
| 32 | Primebank | Le Mars, IA | $801 million | $801 million |
| 33 | Decorah Bank and Trust Company | Decorah, IA | $794 million | $794 million |
| 34 | City State Bank | Norwalk, IA | $788 million | $788 million |
| 35 | First Central State Bank | Dewitt, IA | $772 million | $772 million |
| 36 | Midwest Heritage Bank FSB | West Des Moines, IA | $768 million | $768 million |
| 37 | Green Belt Bank & Trust | Iowa Falls, IA | $759 million | $759 million |
| 38 | First Bank | Waverly, IA | $740 million | $740 million |
| 39 | Manufacturers Bank & Trust Company | Forest City, IA | $738 million | $738 million |
| 40 | First State Bank | Webster City, IA | $674 million | $674 million |
| 41 | Midstates Bank N.A. | Council Bluffs, IA | $654 million | $654 million |
| 42 | Clear Lake Bank and Trust Company | Clear Lake, IA | $649 million | $649 million |
| 43 | Marion County State Bank | Pella, IA | $629 million | $629 million |
| 44 | Liberty National Bank | Sioux City, IA | $624 million | $624 million |
| 45 | South Story Bank & Trust | Slater, IA | $624 million | $624 million |
| 46 | Gnb Bank | Grundy Center, IA | $621 million | $621 million |
| 47 | Farmers Trust and Savings Bank | Spencer, IA | $618 million | $618 million |
| 48 | Farmers & Merchants Savings Bank | Manchester, IA | $617 million | $617 million |
| 49 | Community Savings Bank | Edgewood, IA | $614 million | $614 million |
| 50 | Peoples Savings Bank | Indianola, IA | $610 million | $610 million |
| 51 | Washington State Bank | Washington, IA | $601 million | $601 million |
| 52 | Citizens State Bank | Monticello, IA | $594 million | $594 million |
| 53 | South Ottumwa Savings Bank | Ottumwa, IA | $565 million | $565 million |
| 54 | Central State Bank | State Center, IA | $558 million | $558 million |
| 55 | Connection Bank | Fort Madison, IA | $541 million | $541 million |
| 56 | First Security Bank and Trust Company | Charles City, IA | $538 million | $538 million |
| 57 | American Bank N.A. | Le Mars, IA | $533 million | $533 million |
| 58 | Peoples Bank | Clive, IA | $530 million | $530 million |
| 59 | Shelby County State Bank | Harlan, IA | $524 million | $524 million |
| 60 | Iowa Trust & Savings Bank | Emmetsburg, IA | $522 million | $522 million |
| 61 | Ohnward Bank & Trust | Cascade, IA | $499 million | $499 million |
| 62 | Grinnell State Bank | Grinnell, IA | $499 million | $499 million |
| 63 | Trubank | Indianola, IA | $495 million | $495 million |
| 64 | Security State Bank | Sutherland, IA | $492 million | $492 million |
| 65 | Raccoon Valley Bank | Perry, IA | $486 million | $486 million |
| 66 | Rolling Hills Bank & Trust | Atlantic, IA | $484 million | $484 million |
| 67 | American Bank and Trust Company N.A. | Davenport, IA | $481 million | $481 million |
| 68 | Home State Bank | Jefferson, IA | $481 million | $481 million |
| 69 | Iowa State Bank | Des Moines, IA | $481 million | $481 million |
| 70 | Iowa State Bank | Algona, IA | $471 million | $471 million |
| 71 | Northeast Security Bank | Sumner, IA | $462 million | $462 million |
| 72 | Nsb Bank | Mason City, IA | $461 million | $461 million |
| 73 | Heritage Bank | Cedar Rapids, IA | $450 million | $450 million |
| 74 | Freedombank | Elkader, IA | $434 million | $434 million |
| 75 | Ts Bank | Treynor, IA | $433 million | $433 million |
| 76 | Maquoketa State Bank | Maquoketa, IA | $429 million | $429 million |
| 77 | Waukon State Bank | Waukon, IA | $427 million | $427 million |
| 78 | Farmers Trust & Savings Bank | Buffalo Center, IA | $423 million | $423 million |
| 79 | Central State Bank | Coralville, IA | $419 million | $419 million |
| 80 | Hardin County Savings Bank | Eldora, IA | $402 million | $402 million |
| 81 | The Clinton National Bank | Clinton, IA | $396 million | $396 million |
| 82 | First Iowa State Bank | Albia, IA | $396 million | $396 million |
| 83 | Iowa State Bank | Clarksville, IA | $393 million | $393 million |
| 84 | First State Bank | Lynnville, IA | $384 million | $384 million |
| 85 | Libertyville Savings Bank | Fairfield, IA | $384 million | $384 million |
| 86 | Earlham Savings Bank | West Des Moines, IA | $383 million | $383 million |
| 87 | Citizens First Bank | Clinton, IA | $361 million | $361 million |
| 88 | American State Bank | Osceola, IA | $361 million | $361 million |
| 89 | Premier Bank | Dubuque, IA | $358 million | $358 million |
| 90 | Glenwood State Bank | Glenwood, IA | $353 million | $353 million |
| 91 | Iowa State Bank and Trust Company | Fairfield, IA | $352 million | $352 million |
| 92 | New Albin Savings Bank | New Albin, IA | $351 million | $351 million |
| 93 | Commercial Savings Bank | Carroll, IA | $349 million | $349 million |
| 94 | Kerndt Brothers Savings Bank | Lansing, IA | $347 million | $347 million |
| 95 | Community State Bank | Spencer, IA | $346 million | $346 million |
| 96 | Pcsb Bank | Clarinda, IA | $326 million | $326 million |
| 97 | Pinnacle Bank | Marshalltown, IA | $324 million | $324 million |
| 98 | First Trust and Savings Bank | Wheatland, IA | $321 million | $321 million |
| 99 | Savings Bank | Primghar, IA | $305 million | $305 million |
| 100 | Community Bank & Trust Company | Muscatine, IA | $303 million | $303 million |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings