Banks in Montana: 35 FDIC-Insured Institutions Compared

Banks in Montana include 35 FDIC-insured institutions headquartered in the state, holding $78 billion in combined assets across 711 branches.

Banks headquartered here

Combined assets

$78 billion

Branches

711

Largest bank

Glacier Bank

Every bank headquartered in Montana

Glacier Bank

Kalispell, MT

FDIC insured

Assets: $32 billion
Branches: 258

First Interstate Bank

Billings, MT

FDIC insured

Assets: $26 billion
Branches: 240

Stockman Bank of Montana

Miles City, MT

FDIC insured

Assets: $7.7 billion
Branches: 47

Opportunity Bank of Montana

Helena, MT

FDIC insured

Assets: $2.1 billion
Branches: 30

Independence Bank

Havre, MT

FDIC insured

Assets: $1.4 billion
Branches: 10

The Yellowstone Bank

Laurel, MT

FDIC insured

Assets: $1.3 billion
Branches: 9

TrailWest Bank

Lolo, MT

FDIC insured

Assets: $1.1 billion
Branches: 15

Bank of Bridger, National Association

Bridger, MT

FDIC insured

Assets: $803 million
Branches: 12

Farmers State Bank

Victor, MT

FDIC insured

Assets: $790 million
Branches: 11

American Bank

Bozeman, MT

FDIC insured

Assets: $630 million
Branches: 6

First Montana Bank, Inc.

Missoula, MT

FDIC insured

Assets: $530 million
Branches: 10

Little Horn State Bank

Hardin, MT

FDIC insured

Assets: $413 million
Branches: 3

Bank of Montana

Missoula, MT

FDIC insured

Assets: $309 million
Branches: 1

Three Rivers Bank of Montana

Kalispell, MT

FDIC insured

Assets: $293 million
Branches: 3

Manhattan Bank

Manhattan, MT

FDIC insured

Assets: $287 million
Branches: 4

Bank of The Rockies

Helena, MT

FDIC insured

Assets: $277 million
Branches: 7

Madison Valley Bank

Ennis, MT

FDIC insured

Assets: $264 million
Branches: 5

Valley Bank of Ronan

Ronan, MT

FDIC insured

Assets: $218 million
Branches: 7

Valley Bank of Kalispell

Kalispell, MT

FDIC insured

Assets: $218 million
Branches: 3

The First State Bank of Malta

Malta, MT

FDIC insured

Assets: $190 million
Branches: 1

Eagle Bank

Polson, MT

FDIC insured

Assets: $180 million
Branches: 1

The First State Bank of Shelby

Shelby, MT

FDIC insured

Assets: $176 million
Branches: 1

First State Bank of Forsyth

Forsyth, MT

FDIC insured

Assets: $166 million
Branches: 1

The Bank of Baker

Baker, MT

FDIC insured

Assets: $161 million
Branches: 1

Freedom Bank

Columbia Falls, MT

FDIC insured

Assets: $157 million
Branches: 1

Citizens Bank & Trust Company

Big Timber, MT

FDIC insured

Assets: $155 million
Branches: 2

Pioneer State Bank

Deer Lodge, MT

FDIC insured

Assets: $134 million
Branches: 2

Bank of Bozeman

Bozeman, MT

FDIC insured

Assets: $108 million
Branches: 1

Garfield County Bank

Jordan, MT

FDIC insured

Assets: $108 million
Branches: 2

Ascent Bank

Helena, MT

FDIC insured

Assets: $104 million
Branches: 2

First Security Bank of Roundup

Roundup, MT

FDIC insured

Assets: $95 million
Branches: 1

Belt Valley Bank

Belt, MT

FDIC insured

Assets: $90 million
Branches: 1

First Security Bank of Deer Lodge

Deer Lodge, MT

FDIC insured

Assets: $81 million
Branches: 1

Peoples Bank of Deer Lodge

Deer Lodge, MT

FDIC insured

Assets: $51 million
Branches: 1

Davidson Trust Co.

Great Falls, MT

FDIC insured

Assets: $13 million
Branches: 11

Source: FDIC Institution Directory; FDIC Summary of Deposits. Latest observation 2026-09-16.