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Size · Montana

Largest US Banks by Assets in Montana

Ranked among banks headquartered in Montana. Re-ranked 1-37 within the state from the same national ranking population.

#1 US Banks by Assets: GLACIER BANK — $31.72B . The largest US bank by total assets is the bank at the top of this list, updated quarterly from FFIEC call report filings.

Ranked: 37 banks with reported data Showing: Top 37 Source: FFIEC call reports (Q1 2026)
# Bank HQ Value
1 Glacier Bank Kalispell , MT $31.72B
2 First Interstate Bank Billings , MT $26.36B
3 Stockman Bank of Montana Miles City , MT $7.68B
4 Opportunity Bank of Montana Helena , MT $2.09B
5 Independence Bank Havre , MT $1.37B
6 Yellowstone Bank, the Laurel , MT $1.34B
7 Trailwest Bank Lolo , MT $1.09B
8 Bank of Bridger, N.A. Bridger , MT $791.9M
9 Farmers State Bank Victor , MT $784.8M
10 American Bank Bozeman , MT $608.5M
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11 First Montana Bank, INC. Missoula , MT $536.3M
12 Little Horn State Bank Hardin , MT $405.8M
13 Bank of Montana Missoula , MT $349.3M
14 Three Rivers Bank of Montana Kalispell , MT $306.1M
15 Madison Valley Bank Ennis , MT $282.4M
16 Manhattan Bank Manhattan , MT $279.5M
17 Bank of the Rockies Helena , MT $261.0M
18 Valley Bank of Kalispell Kalispell , MT $210.8M
19 Valley Bank of Ronan Ronan , MT $209.9M
20 First State Bank of Malta, the Malta , MT $193.4M
21 Eagle Bank Polson , MT $177.9M
22 First State Bank of Shelby, the Shelby , MT $169.0M
23 First State Bank of Forsyth Forsyth , MT $167.8M
24 Bank of Baker, the Baker , MT $165.1M
25 Citizens Bank & Trust Company Big Timber , MT $158.3M
26 Freedom Bank Columbia Falls , MT $147.0M
27 Pioneer State Bank Deer Lodge , MT $122.0M
28 Bank of Bozeman Bozeman , MT $110.7M
29 Ascent Bank Helena , MT $104.1M
30 Garfield County Bank Jordan , MT $99.3M
31 First Security Bank of Roundup Roundup , MT $92.9M
32 Belt Valley Bank Belt , MT $90.2M
33 First Security Bank of Deer Lodge Deer Lodge , MT $85.3M
34 First Citizens Bank of Butte Butte , MT $69.9M
35 Peoples Bank of Deer Lodge Deer Lodge , MT $49.9M
36 Stockmens Bank Cascade , MT $43.7M
37 Davidson Trust CO. Great Falls , MT $12.2M

More Size rankings

Largest US Banks by Deposits Largest US Community Banks (under $10B)

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All data sourced from the most recent FFIEC call report filings, refreshed each quarter as new filings are processed. See /data-updates/ for the current data freshness window.

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