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Profitability · Montana

US Banks with Highest Net Interest Margin (NIM) in Montana

Ranked among banks headquartered in Montana. Re-ranked 1-29 within the state from the same national ranking population.

#1 Net Interest Margin (NIM): FREEDOM BANK — 5.52% . Net Interest Margin (NIM) measures the spread between interest earned on assets and interest paid on liabilities — the core unit economics of a commercial bank.

Ranked: 29 banks with reported data Showing: Top 29 Source: FFIEC call reports (Q1 2026) What is this metric? See the US Banks with … glossary entry Go deeper: What Is Net Interest Margin? A Bank Profitability Guide
# Bank HQ US Banks with … Total Assets
1 Freedom Bank Columbia Falls , MT 5.52% $147.0M
2 Three Rivers Bank of Montana Kalispell , MT 5.14% $306.1M
3 Eagle Bank Polson , MT 5.05% $177.9M
4 Bank of the Rockies Helena , MT 4.90% $261.0M
5 Valley Bank of Kalispell Kalispell , MT 4.43% $210.8M
6 Independence Bank Havre , MT 4.42% $1.37B
7 Valley Bank of Ronan Ronan , MT 4.41% $209.9M
8 Bank of Bozeman Bozeman , MT 4.29% $110.7M
9 Opportunity Bank of Montana Helena , MT 4.25% $2.09B
10 Citizens Bank & Trust Company Big Timber , MT 4.21% $158.3M
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11 Yellowstone Bank, the Laurel , MT 4.21% $1.34B
12 Little Horn State Bank Hardin , MT 4.20% $405.8M
13 Ascent Bank Helena , MT 4.15% $104.1M
14 Trailwest Bank Lolo , MT 4.06% $1.09B
15 American Bank Bozeman , MT 4.03% $608.5M
16 Farmers State Bank Victor , MT 3.97% $784.8M
17 Bank of Baker, the Baker , MT 3.88% $165.1M
18 Stockman Bank of Montana Miles City , MT 3.85% $7.68B
19 Glacier Bank Kalispell , MT 3.82% $31.72B
20 Manhattan Bank Manhattan , MT 3.79% $279.5M
21 First State Bank of Forsyth Forsyth , MT 3.68% $167.8M
22 Madison Valley Bank Ennis , MT 3.64% $282.4M
23 First Montana Bank, INC. Missoula , MT 3.57% $536.3M
24 First Interstate Bank Billings , MT 3.44% $26.36B
25 Pioneer State Bank Deer Lodge , MT 3.37% $122.0M
26 Bank of Bridger, N.A. Bridger , MT 3.07% $791.9M
27 Bank of Montana Missoula , MT 3.06% $349.3M
28 First State Bank of Malta, the Malta , MT 2.74% $193.4M
29 First State Bank of Shelby, the Shelby , MT 2.43% $169.0M

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All data sourced from the most recent FFIEC call report filings, refreshed each quarter as new filings are processed. This leaderboard excludes banks with total assets under $100,000K to filter out anomalous micro-bank ratios. See /data-updates/ for the current data freshness window.

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