US Bank Directory
Banks in Montana
35 FDIC-insured banks are headquartered in Montana, with 374 branch offices across the state.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Cities with the most branches
All banks headquartered in Montana, by total assets
| Bank | Headquarters | Total assets | Offices |
|---|---|---|---|
| Glacier Bank | Kalispell | $31.58 billion | 261 |
| First Interstate Bank | Billings | $25.79 billion | 274 |
| Stockman Bank of Montana | Miles City | $7.75 billion | 47 |
| Opportunity Bank of Montana | Helena | $2.12 billion | 30 |
| Independence Bank | Havre | $1.39 billion | 10 |
| The Yellowstone Bank | Laurel | $1.34 billion | 10 |
| TrailWest Bank | Lolo | $1.11 billion | 15 |
| Bank of Bridger, National Association | Bridger | $802.73 million | 12 |
| Farmers State Bank | Victor | $790.33 million | 11 |
| American Bank | Bozeman | $630.35 million | 6 |
| First Montana Bank, Inc. | Missoula | $530.27 million | 10 |
| Little Horn State Bank | Hardin | $412.56 million | 3 |
| Bank of Montana | Missoula | $308.60 million | 1 |
| Three Rivers Bank of Montana | Kalispell | $293.09 million | 3 |
| Manhattan Bank | Manhattan | $287.06 million | 4 |
| Bank of The Rockies | Helena | $277.45 million | 7 |
| Madison Valley Bank | Ennis | $263.70 million | 5 |
| Valley Bank of Kalispell | Kalispell | $218.12 million | 3 |
| Valley Bank of Ronan | Ronan | $218.06 million | 7 |
| The First State Bank of Malta | Malta | $189.67 million | 1 |
| Eagle Bank | Polson | $179.51 million | 1 |
| The First State Bank of Shelby | Shelby | $175.64 million | 1 |
| First State Bank of Forsyth | Forsyth | $165.55 million | 1 |
| The Bank of Baker | Baker | $160.90 million | 1 |
| Freedom Bank | Columbia Falls | $157.27 million | 1 |
| Citizens Bank & Trust Company | Big Timber | $155.40 million | 2 |
| Pioneer State Bank | Deer Lodge | $133.55 million | 2 |
| Bank of Bozeman | Bozeman | $108.43 million | 1 |
| Garfield County Bank | Jordan | $108 million | 2 |
| Ascent Bank | Helena | $104.06 million | 2 |
| First Security Bank of Roundup | Roundup | $94.53 million | 1 |
| Belt Valley Bank | Belt | $89.92 million | 1 |
| First Security Bank of Deer Lodge | Deer Lodge | $81.09 million | 1 |
| Peoples Bank of Deer Lodge | Deer Lodge | $50.79 million | 1 |
| Davidson Trust Co. | Great Falls | $13.21 million | 14 |