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Profitability · Louisiana

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

Ranked among banks headquartered in Louisiana. Re-ranked 1-97 within the state from the same national ranking population.

#1 Net Interest Margin (NIM): GULF COAST BANK AND TRUST COMPANY — 6.84% . 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: 97 banks with reported data Showing: Top 97 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 Gulf Coast Bank and Trust Company New Orleans , LA 6.84% $3.71B
2 Crescent Bank Metairie , LA 6.49% $1.01B
3 Louisiana National Bank Ruston , LA 5.90% $473.5M
4 Bank, the Jennings , LA 5.31% $451.4M
5 Bank of Louisiana New Orleans , LA 5.16% $103.8M
6 Beauregard Federal Savings Bank Deridder , LA 4.96% $103.6M
7 American Bank Covington , LA 4.96% $359.3M
8 United Community Bank Raceland , LA 4.94% $681.3M
9 Bank of Sunset & Trust Company Sunset , LA 4.94% $196.2M
10 Sabine State Bank and Trust Company Many , LA 4.87% $1.36B
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11 Hodge Bank & Trust Company Hodge , LA 4.87% $119.9M
12 Franklin State Bank & Trust Company Winnsboro , LA 4.83% $227.2M
13 Gibsland Bank & Trust Company Gibsland , LA 4.78% $575.1M
14 Gulf Coast Bank Abbeville , LA 4.77% $516.3M
15 Citizens Savings Bank Bogalusa , LA 4.77% $326.4M
16 First National Bank of Jeanerette, the Jeanerette , LA 4.73% $638.1M
17 Guaranty Bank and Trust Company New Roads , LA 4.65% $323.0M
18 Winnsboro State Bank & Trust Company Winnsboro , LA 4.64% $412.5M
19 First National Bank USA Boutte , LA 4.64% $239.9M
20 Marion State Bank Marion , LA 4.63% $240.2M
21 Century Next Bank Ruston , LA 4.59% $913.3M
22 Progressive National Bank Mansfield , LA 4.51% $124.0M
23 Bank of ST. Francisville Saint Francisville , LA 4.47% $397.9M
24 South Louisiana Bank Houma , LA 4.47% $675.5M
25 Synergy Bank Houma , LA 4.44% $1.26B
26 Fidelity Bank New Orleans , LA 4.43% $1.27B
27 Commercial Capital Bank Delhi , LA 4.43% $569.6M
28 First National Bank of Louisiana Crowley , LA 4.42% $629.2M
29 Simmesport State Bank Simmesport , LA 4.40% $201.6M
30 Southern Heritage Bank Jonesville , LA 4.40% $402.6M
31 Resource Bank Covington , LA 4.38% $935.4M
32 Currency Bank Oak Grove , LA 4.38% $248.0M
33 Delta Bank Vidalia , LA 4.37% $618.1M
34 American Bank & Trust Company Opelousas , LA 4.35% $258.1M
35 Caldwell Bank & Trust Company Columbia , LA 4.34% $293.3M
36 Farmers-Merchants Bank & Trust Company Breaux Bridge , LA 4.32% $448.2M
37 Community First Bank New Iberia , LA 4.31% $790.2M
38 Washington State Bank Washington , LA 4.30% $303.6M
39 Citizens Bank and Trust Company Plaquemine , LA 4.29% $471.4M
40 Evangeline Bank and Trust Company, the Ville Platte , LA 4.28% $1.12B
41 Home Bank, N.A. Lafayette , LA 4.27% $3.54B
42 Vermilion Bank & Trust Company Kaplan , LA 4.26% $149.0M
43 Feliciana Bank & Trust Company Clinton , LA 4.26% $170.9M
44 City Bank & Trust CO. Natchitoches , LA 4.25% $378.1M
45 Cottonport Bank, the Cottonport , LA 4.24% $581.1M
46 Jd Bank Jennings , LA 4.20% $1.26B
47 Farmers State Bank & Trust Company Church Point , LA 4.19% $174.2M
48 Metairie Bank & Trust Company Metairie , LA 4.17% $658.3M
49 Landmark Bank Clinton , LA 4.17% $233.3M
50 Clb the Community Bank Jonesville , LA 4.17% $343.9M
51 Bank of Zachary Zachary , LA 4.15% $422.2M
52 Bank of Erath Erath , LA 4.14% $108.6M
53 Exchange Bank and Trust Company Natchitoches , LA 4.13% $221.0M
54 Rayne State Bank & Trust Company Rayne , LA 4.10% $573.8M
55 Anthem Bank & Trust Plaquemine , LA 4.08% $199.1M
56 Citizens Progressive Bank Winnsboro , LA 4.08% $250.0M
57 Bom Bank Natchitoches , LA 4.06% $1.52B
58 First National Bank in Deridder Deridder , LA 4.02% $425.1M
59 M C Bank & Trust Company Morgan City , LA 4.02% $489.8M
60 Homeland Federal Savings Bank Columbia , LA 3.98% $643.2M
61 Bank of Oak Ridge Oak Ridge , LA 3.95% $135.3M
62 State Bank & Trust Company Golden Meadow , LA 3.92% $155.3M
63 Liberty Bank and Trust Company New Orleans , LA 3.86% $1.11B
64 Bank of Winnfield & Trust Company Winnfield , LA 3.85% $153.5M
65 South Lafourche Bank & Trust Company Larose , LA 3.82% $177.4M
66 Catalyst Bank Opelousas , LA 3.80% $285.3M
67 Citizens Bank & Trust Company Covington , LA 3.78% $188.4M
68 Home Federal Bank Shreveport , LA 3.74% $641.9M
69 Progressive Bank Monroe , LA 3.74% $768.0M
70 Guaranty Bank & Trust Company of Delhi Delhi , LA 3.72% $451.1M
71 Tensas State Bank Newellton , LA 3.70% $184.5M
72 First American Bank and Trust Vacherie , LA 3.69% $1.39B
73 Cross Keys Bank Saint Joseph , LA 3.67% $627.0M
74 B1bank Baton Rouge , LA 3.66% $8.90B
75 Colfax Banking Company Colfax , LA 3.64% $151.1M
76 Origin Bank Choudrant , LA 3.64% $10.09B
77 Investar Bank, N.A. Baton Rouge , LA 3.62% $3.87B
78 Merchants & Farmers Bank & Trust Company Leesville , LA 3.55% $536.3M
79 Red River Bank Alexandria , LA 3.53% $3.35B
80 Bank of Abbeville & Trust Company Abbeville , LA 3.49% $246.4M
81 Concordia Bank & Trust Company Vidalia , LA 3.45% $672.3M
82 Plaquemine Bank and Trust Company Plaquemine , LA 3.30% $222.1M
83 Citizens Bank & Trust Company of Vivian, Louisiana Vivian , LA 3.24% $155.8M
84 Bonvenu Bank, N.A. Bossier City , LA 3.19% $1.58B
85 Heritage Bank of Saint Tammany Covington , LA 3.11% $167.9M
86 First National Bankers Bank Baton Rouge , LA 3.11% $1.16B
87 Patterson State Bank Patterson , LA 3.04% $332.0M
88 Community Bank of Louisiana Mansfield , LA 3.01% $854.4M
89 Lakeside Bank Lake Charles , LA 2.78% $375.7M
90 ST. Landry Bank and Trust Company Opelousas , LA 2.77% $296.3M
91 First Federal Bank of Louisiana Lake Charles , LA 2.73% $1.18B
92 Fifth District Savings Bank New Orleans , LA 2.66% $535.3M
93 Bank of Coushatta Coushatta , LA 2.56% $324.4M
94 Hibernia Bank New Orleans , LA 2.49% $244.7M
95 Bank of Commerce & Trust Company Crowley , LA 2.23% $374.6M
96 Jonesboro State Bank Jonesboro , LA 2.17% $1.28B
97 First Guaranty Bank Hammond , LA 2.13% $3.96B

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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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