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Profitability · Wyoming

Most Efficient US Banks (Lowest Efficiency Ratio) in Wyoming

Ranked among banks headquartered in Wyoming. Re-ranked 1-21 within the state from the same national ranking population.

#1 US Banks (Lowest Efficiency Ratio): BANK OF STAR VALLEY, THE — 41.88% . 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: 21 banks with reported data Showing: Top 21 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 Star Valley, the Afton , WY 41.88% $404.5M
2 Sundance State Bank Sundance , WY 47.16% $283.6M
3 Pinnacle Bank - Wyoming Cody , WY 47.87% $1.27B
4 Converse County Bank, the Douglas , WY 48.52% $1.09B
5 Platte Valley Bank Torrington , WY 50.99% $803.6M
6 Jonah Bank of Wyoming Casper , WY 52.28% $568.5M
7 First National Bank of Gillette Gillette , WY 52.53% $626.2M
8 Central Bank and Trust Lander , WY 54.64% $207.0M
9 Bank of Commerce Rawlins , WY 60.57% $213.9M
10 Hilltop National Bank Casper , WY 61.39% $1.14B
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11 Wyoming Community Bank Riverton , WY 62.80% $256.9M
12 Buffalo Federal Bank Buffalo , WY 63.56% $210.3M
13 State Bank Green River , WY 66.49% $112.2M
14 First Northern Bank of Wyoming Buffalo , WY 67.37% $946.6M
15 Big Horn Federal Savings Bank Greybull , WY 68.42% $402.1M
16 First Federal Bank & Trust Sheridan , WY 69.38% $632.5M
17 Rsnb Bank Rock Springs , WY 76.16% $389.5M
18 Wyoming Bank & Trust Cheyenne , WY 79.39% $318.3M
19 Security State Bank Basin , WY 80.79% $430.8M
20 Rnb State Bank Rawlins , WY 83.03% $286.9M
21 Tanager Bank Jackson , WY 97.01% $216.9M

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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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