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Profitability · Minnesota

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

Ranked among banks headquartered in Minnesota. Re-ranked 1-100 within the state from the same national ranking population.

#1 Net Interest Margin (NIM): SCALE BANK — 7.40% . 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: 175 banks with reported data Showing: Top 100 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 Scale Bank Edina , MN 7.40% $569.6M
2 Minnesota Lakes Bank Delano , MN 6.30% $126.5M
3 Stearns Bank N.A. Saint Cloud , MN 5.84% $3.30B
4 Red River State Bank Halstad , MN 5.79% $120.2M
5 Northwestern Bank, N.A. Dilworth , MN 5.74% $166.9M
6 Grand Rapids State Bank Grand Rapids , MN 5.30% $257.1M
7 Mid-central National Bank Wadena , MN 5.16% $116.9M
8 Ultima Bank Minnesota Winger , MN 5.09% $319.1M
9 Star Bank Maple Lake , MN 5.01% $456.7M
10 Keen Bank, N.A. Waseca , MN 4.94% $198.5M
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11 Northview Bank Sandstone , MN 4.81% $477.8M
12 Farmers State Bank of Underwood Underwood , MN 4.81% $112.0M
13 Woodland Bank Deer River , MN 4.68% $171.9M
14 Farmers and Merchants State Bank of Pierz Pierz , MN 4.67% $331.0M
15 First State Bank of Le Center Le Center , MN 4.63% $110.9M
16 Lake Region Bank New London , MN 4.58% $151.3M
17 Granite Bank Cold Spring , MN 4.57% $346.9M
18 Sherburne State Bank Becker , MN 4.56% $343.4M
19 Premier Bank Minnesota Hastings , MN 4.56% $699.2M
20 Produce State Bank Hollandale , MN 4.53% $110.6M
21 First National Bank North Walker , MN 4.53% $840.1M
22 First State Bank Minnesota Le Roy , MN 4.51% $105.2M
23 Security Bank Minnesota Albert Lea , MN 4.49% $152.2M
24 Arcadian Bank Hartland , MN 4.47% $241.4M
25 Northern State Bank of Virginia Virginia , MN 4.46% $101.9M
26 Lake Central Bank Annandale , MN 4.45% $282.5M
27 Security Bank USA Bemidji , MN 4.45% $275.6M
28 First National Bank of Moose Lake, the Moose Lake , MN 4.44% $135.5M
29 First National Bank of Milaca, the Milaca , MN 4.41% $285.8M
30 Ameriprise Bank, FSB Minneapolis , MN 4.40% $25.51B
31 Security State Bank of Hibbing Hibbing , MN 4.34% $146.2M
32 Premier Bank Maplewood , MN 4.33% $1.18B
33 Falcon National Bank Foley , MN 4.33% $885.7M
34 Freeport State Bank Freeport , MN 4.32% $167.3M
35 Minnesota National Bank Sauk Centre , MN 4.31% $285.9M
36 Citizens National Bank of Park Rapids, the Park Rapids , MN 4.31% $380.1M
37 Security State Bank of Marine Marine On Saint Croix , MN 4.31% $235.4M
38 Prinsbank Prinsburg , MN 4.29% $296.2M
39 New Market Bank Elko New Market , MN 4.28% $193.7M
40 Eagle Bank Glenwood , MN 4.27% $223.1M
41 Key Community Bank Inver Grove Heights , MN 4.27% $123.8M
42 Wadena State Bank Wadena , MN 4.26% $204.5M
43 First State Bank of Bigfork Bigfork , MN 4.26% $118.2M
44 Entrebank Bloomington , MN 4.26% $502.3M
45 Americana Community Bank Sleepy Eye , MN 4.25% $179.0M
46 Union Bank and Trust Company Minneapolis , MN 4.25% $230.8M
47 Bankwest Rockford , MN 4.25% $238.4M
48 Pine Country Bank Little Falls , MN 4.24% $388.0M
49 Midwest Bank Detroit Lakes , MN 4.22% $915.5M
50 North Shore Bank of Commerce Duluth , MN 4.19% $580.8M
51 Kensington Bank Kensington , MN 4.17% $450.8M
52 Grand Marais State Bank Grand Marais , MN 4.17% $201.5M
53 Prairie Sun Bank Milan , MN 4.16% $105.7M
54 Platinum Bank Oakdale , MN 4.15% $708.0M
55 Security State Bank of Wanamingo, Incorporated Wanamingo , MN 4.14% $113.1M
56 Lake Elmo Bank Lake Elmo , MN 4.13% $530.9M
57 Lakeview Bank Lakeville , MN 4.12% $208.6M
58 Citizens State Bank Norwood Young America Norwood Young America , MN 4.11% $141.5M
59 Minnwest Bank Redwood Falls , MN 4.09% $2.97B
60 Northeast Bank Minneapolis , MN 4.08% $838.4M
61 Hometown Bank Carver , MN 4.08% $673.1M
62 First Farmers & Merchants Bank Cannon Falls , MN 4.07% $473.5M
63 Deerwood Bank Waite Park , MN 4.02% $1.56B
64 Eagle Rock Bank Rochester , MN 4.01% $280.3M
65 Midcountry Bank Bloomington , MN 4.00% $1.04B
66 First National Bank Minnesota Saint Peter , MN 4.00% $434.0M
67 United Prairie Bank Mountain Lake , MN 4.00% $974.6M
68 First Southeast Bank Harmony , MN 3.99% $153.7M
69 Pioneer Bank Mapleton , MN 3.98% $885.0M
70 Viking Bank, N.A. Alexandria , MN 3.95% $312.9M
71 Community Resource Bank Northfield , MN 3.95% $575.6M
72 Frandsen Bank & Trust Lonsdale , MN 3.94% $3.69B
73 Farmers & Merchants State Bank of Springfield Springfield , MN 3.94% $141.4M
74 State Bank of Faribault, the Faribault , MN 3.93% $323.2M
75 First National Bank of Cokato, the Cokato , MN 3.91% $128.0M
76 Northwoods Bank of Minnesota Park Rapids , MN 3.91% $140.5M
77 United Farmers State Bank Adams , MN 3.91% $233.6M
78 First Farmers & Merchants National Bank Fairmont , MN 3.91% $141.2M
79 Western National Bank Duluth , MN 3.90% $135.3M
80 My Kind of Bank, N.A. Ottertail , MN 3.89% $420.5M
81 Community First Bank Menahga , MN 3.89% $126.4M
82 Glenwood State Bank (incorporated) Glenwood , MN 3.89% $549.3M
83 Center National Bank Litchfield , MN 3.89% $232.6M
84 First Farmers & Merchants National Bank Luverne , MN 3.88% $249.0M
85 Home State Bank Litchfield , MN 3.86% $223.7M
86 Hometown Community Bank Cyrus , MN 3.85% $103.1M
87 Prime Security Bank Karlstad , MN 3.85% $148.6M
88 First National Bank Bagley , MN 3.83% $125.6M
89 State Bank of Fairmont Fairmont , MN 3.83% $155.7M
90 Sentry Bank Saint Joseph , MN 3.83% $378.6M
91 Security Bank & Trust Company Glencoe , MN 3.83% $1.29B
92 Citizens Independent Bank Saint Louis Park , MN 3.82% $317.4M
93 Highland Bank Saint Paul , MN 3.80% $769.8M
94 American National Bank of Minnesota Baxter , MN 3.79% $469.6M
95 Security State Bank of Aitkin Aitkin , MN 3.77% $109.8M
96 North Star Bank Roseville , MN 3.75% $393.7M
97 First Independent Bank Russell , MN 3.75% $634.1M
98 First National Bank of Le Center, the Lonsdale , MN 3.72% $175.3M
99 Minnstar Bank N.A. Lake Crystal , MN 3.69% $197.4M
100 Reliance Bank Faribault , MN 3.67% $331.2M

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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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