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Profitability · Montana

Most Efficient US Banks (Lowest Efficiency Ratio) in Montana

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

#1 US Banks (Lowest Efficiency Ratio): BANK OF MONTANA — 29.55% . The efficiency ratio measures non-interest operating expense against net revenue — a lower ratio means the bank converts more of each revenue dollar into pre-tax income.

Ranked: 29 banks with reported data Showing: Top 29 Source: FFIEC call reports (Q1 2026) What is this metric? See the Most Efficient US … glossary entry Go deeper: What Is the Bank Efficiency Ratio? Formula, Benchmarks, and What Moves It
# Bank HQ Most Efficient US … Total Assets
1 Bank of Montana Missoula , MT 29.55% $349.3M
2 Yellowstone Bank, the Laurel , MT 30.31% $1.34B
3 Eagle Bank Polson , MT 36.98% $177.9M
4 Independence Bank Havre , MT 41.04% $1.37B
5 Little Horn State Bank Hardin , MT 42.61% $405.8M
6 First State Bank of Forsyth Forsyth , MT 43.17% $167.8M
7 Stockman Bank of Montana Miles City , MT 48.66% $7.68B
8 Trailwest Bank Lolo , MT 50.10% $1.09B
9 Citizens Bank & Trust Company Big Timber , MT 50.59% $158.3M
10 Valley Bank of Kalispell Kalispell , MT 51.07% $210.8M
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11 First State Bank of Malta, the Malta , MT 54.05% $193.4M
12 First State Bank of Shelby, the Shelby , MT 54.98% $169.0M
13 Freedom Bank Columbia Falls , MT 55.54% $147.0M
14 Ascent Bank Helena , MT 57.86% $104.1M
15 First Interstate Bank Billings , MT 59.53% $26.36B
16 Glacier Bank Kalispell , MT 60.08% $31.72B
17 Bank of Bridger, N.A. Bridger , MT 60.09% $791.9M
18 Bank of the Rockies Helena , MT 61.88% $261.0M
19 Bank of Baker, the Baker , MT 61.93% $165.1M
20 Manhattan Bank Manhattan , MT 64.48% $279.5M
21 Three Rivers Bank of Montana Kalispell , MT 65.24% $306.1M
22 American Bank Bozeman , MT 65.27% $608.5M
23 First Montana Bank, INC. Missoula , MT 68.64% $536.3M
24 Valley Bank of Ronan Ronan , MT 71.64% $209.9M
25 Farmers State Bank Victor , MT 72.54% $784.8M
26 Opportunity Bank of Montana Helena , MT 72.90% $2.09B
27 Madison Valley Bank Ennis , MT 74.93% $282.4M
28 Bank of Bozeman Bozeman , MT 78.34% $110.7M
29 Pioneer State Bank Deer Lodge , MT 126.55% $122.0M

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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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