RANKING ·
Largest net interest margin improvement in Missouri
177 of 195 banks in Missouri that filed for the quarter ended June 30, 2026 are ranked. At least $100 million in total assets and a comparable quarter a year earlier. Institutions with equal values share a rank. Source: FDIC quarterly financial data.
| Rank | Institution | Headquarters | Net interest margin, change over 12 months | Total assets |
|---|---|---|---|---|
| 1 | Grand Missouri Bank | Bolivar, MO | +561 bps | $151 million |
| 2 | Ozarks Federal Savings and Loan Association | Farmington, MO | +90 bps | $277 million |
| 3 | Bank Northwest | Hamilton, MO | +72 bps | $210 million |
| 4 | The Bank of Missouri | Perryville, MO | +68 bps | $4.2 billion |
| 5 | Hnb National Bank | Hannibal, MO | +68 bps | $1.3 billion |
| 6 | Regional Missouri Bank | Marceline, MO | +59 bps | $597 million |
| 7 | St. Johns Bank & Trust Company | Saint Louis, MO | +58 bps | $297 million |
| 8 | Bank of Grandin | Grandin, MO | +55 bps | $241 million |
| 9 | First Midwest Bank of Dexter | Dexter, MO | +55 bps | $652 million |
| 10 | The Seymour Bank | Seymour, MO | +55 bps | $225 million |
| 11 | Freedom Bank of Southern Missouri | Cassville, MO | +54 bps | $850 million |
| 12 | Royal Banks of Missouri | Saint Louis, MO | +51 bps | $1.0 billion |
| 13 | Community Bank of Pleasant Hill | Pleasant Hill, MO | +51 bps | $133 million |
| 14 | Alton Bank | Alton, MO | +49 bps | $145 million |
| 15 | Parkside Financial Bank and Trust | Clayton, MO | +49 bps | $1.1 billion |
| 16 | Ozark Bank | Ozark, MO | +48 bps | $341 million |
| 17 | Citizens Bank of Eldon | Eldon, MO | +47 bps | $247 million |
| 18 | Citizens Community Bank | Pilot Grove, MO | +46 bps | $143 million |
| 19 | Home Savings and Loan Association of Carroll County F.A. | Norborne, MO | +45 bps | $131 million |
| 20 | Midwest Bankcentre | Lemay, MO | +45 bps | $3.1 billion |
| 21 | Community First Banking Company | West Plains, MO | +44 bps | $307 million |
| 22 | Tpnb Bank | Paris, MO | +44 bps | $112 million |
| 23 | Oakstar Bank | Springfield, MO | +44 bps | $3.3 billion |
| 24 | Community State Bank of Missouri | Bowling Green, MO | +43 bps | $334 million |
| 25 | Cnb St. Louis Bank | Maplewood, MO | +42 bps | $813 million |
| 26 | F & M Bank and Trust Company | Hannibal, MO | +41 bps | $182 million |
| 27 | Bank of Weston | Weston, MO | +41 bps | $246 million |
| 28 | First Federal Bank of Kansas City | Lees Summit, MO | +40 bps | $993 million |
| 29 | Hawthorn Bank | Jefferson City, MO | +39 bps | $1.8 billion |
| 30 | Farmers State Bank | Cameron, MO | +38 bps | $385 million |
| 31 | State Bank of Missouri | Concordia, MO | +38 bps | $134 million |
| 32 | Wood & Huston Bank | Marshall, MO | +38 bps | $1.2 billion |
| 33 | Peoples Bank | Cuba, MO | +37 bps | $249 million |
| 34 | First State Bank of Purdy | Purdy, MO | +37 bps | $249 million |
| 35 | Commercial Bank | Saint Louis, MO | +37 bps | $283 million |
| 36 | The Maries County Bank | Vienna, MO | +37 bps | $600 million |
| 37 | The Bank of Advance | Advance, MO | +37 bps | $510 million |
| 38 | West Plains Savings and Loan Association | West Plains, MO | +36 bps | $101 million |
| 39 | Adrian Bank | Adrian, MO | +35 bps | $196 million |
| 40 | Farmers and Merchants Bank of St. Clair | Saint Clair, MO | +34 bps | $343 million |
| 41 | Cass Commercial Bank | Des Peres, MO | +31 bps | $1.3 billion |
| 42 | Bank of Franklin County | Washington, MO | +30 bps | $419 million |
| 43 | Citizens' Bank of Charleston | Charleston, MO | +30 bps | $185 million |
| 44 | Citizens Bank & Trust | Rock Port, MO | +30 bps | $107 million |
| 45 | Alliant Bank | Madison, MO | +30 bps | $256 million |
| 46 | Table Rock Community Bank | Kimberling City, MO | +30 bps | $569 million |
| 47 | Peoples Bank of Wyaconda | Kahoka, MO | +30 bps | $148 million |
| 48 | The Callaway Bank | Fulton, MO | +29 bps | $512 million |
| 49 | Unico Bank | Mineral Point, MO | +29 bps | $503 million |
| 50 | Umb Bank N.A. | Kansas City, MO | +29 bps | $71.9 billion |
| 51 | Community Bank and Trust | Neosho, MO | +29 bps | $445 million |
| 52 | The Missouri Bank | Warrenton, MO | +28 bps | $461 million |
| 53 | Blue Ridge Bank and Trust Co. | Independence, MO | +28 bps | $867 million |
| 54 | Security Bank of Southwest Missouri | Cassville, MO | +27 bps | $147 million |
| 55 | Bloomsdale Bank | Bloomsdale, MO | +27 bps | $390 million |
| 56 | People'S Bank of Seneca | Seneca, MO | +27 bps | $496 million |
| 57 | First Midwest Bank of the Ozarks | Poplar Bluff, MO | +27 bps | $733 million |
| 58 | Bank of Salem | Salem, MO | +27 bps | $147 million |
| 59 | First Bank | St. Louis, MO | +25 bps | $6.7 billion |
| 60 | Community Bank of Raymore | Raymore, MO | +25 bps | $347 million |
| 61 | First State Bank of St. Charles, Missouri | St. Charles, MO | +25 bps | $535 million |
| 62 | Bank of Versailles | Versailles, MO | +25 bps | $359 million |
| 63 | Sullivan Bank | Sullivan, MO | +25 bps | $1.4 billion |
| 64 | Legacy Bank & Trust Company | Mountain Grove, MO | +25 bps | $1.8 billion |
| 65 | Fcnb Bank | Steelville, MO | +25 bps | $220 million |
| 66 | Midwest Independent Bankersbank | Jefferson City, MO | +24 bps | $341 million |
| 67 | Town & Country Bank | Salem, MO | +23 bps | $748 million |
| 68 | F & C Bank | Holden, MO | +22 bps | $481 million |
| 69 | Southwest Missouri Bank | Carthage, MO | +22 bps | $1.2 billion |
| 70 | Progressive Ozark Bank | Salem, MO | +22 bps | $191 million |
| 71 | Southern Bank | Poplar Bluff, MO | +22 bps | $5.2 billion |
| 72 | Branson Bank | Branson, MO | +22 bps | $414 million |
| 73 | Northeast Missouri State Bank | Kirksville, MO | +22 bps | $164 million |
| 74 | Bank of New Madrid | New Madrid, MO | +21 bps | $117 million |
| 75 | Montgomery Bank | Sikeston, MO | +21 bps | $1.2 billion |
| 76 | Lamar Bank and Trust Company | Lamar, MO | +21 bps | $269 million |
| 77 | The First National Bank of Nevada | Nevada, MO | +21 bps | $122 million |
| 78 | Lindell Bank & Trust Company | St. Louis, MO | +21 bps | $915 million |
| 79 | Guaranty Bank | Springfield, MO | +20 bps | $2.4 billion |
| 80 | Peoples Savings Bank of Rhineland | Rhineland, MO | +20 bps | $854 million |
| 81 | Chillicothe State Bank | Chillicothe, MO | +20 bps | $135 million |
| 82 | Verimore Bank | Brookfield, MO | +20 bps | $639 million |
| 83 | The Bank of Grain Valley | Grain Valley, MO | +19 bps | $111 million |
| 84 | Citizens Bank of Rogersville | Rogersville, MO | +19 bps | $125 million |
| 85 | Concordia Bank | Concordia, MO | +18 bps | $130 million |
| 86 | Peoples Community Bank | Greenville, MO | +18 bps | $735 million |
| 87 | Focus Bank | Charleston, MO | +18 bps | $854 million |
| 88 | Academy Bank N.A. | Kansas City, MO | +18 bps | $3.2 billion |
| 89 | Stifel Bank | Saint Louis, MO | +18 bps | $14.6 billion |
| 90 | First State Bank and Trust Company Inc. | Caruthersville, MO | +17 bps | $659 million |
| 91 | North American Savings Bank FSB | Grandview, MO | +17 bps | $3.2 billion |
| 92 | Community Bank of El Dorado Springs | El Dorado Spring, MO | +17 bps | $144 million |
| 93 | Homepride Bank | Mansfield, MO | +17 bps | $125 million |
| 94 | First Independent Bank | Aurora, MO | +16 bps | $148 million |
| 95 | Connections Bank | Platte City, MO | +15 bps | $517 million |
| 96 | United Bank of Union | Union, MO | +15 bps | $578 million |
| 97 | Community State Bank | Shelbina, MO | +14 bps | $133 million |
| 98 | County Bank | Brunswick, MO | +13 bps | $134 million |
| 99 | Preferred Bank | Rothville, MO | +13 bps | $134 million |
| 100 | Commerce Bank | Kansas City, MO | +13 bps | $35.0 billion |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings