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Capital · Iowa

US Banks with Highest CET1 Capital Ratio in Iowa

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

#1 CET1 Capital Ratio: NEW ALBIN SAVINGS BANK — 39.97% . The Common Equity Tier 1 (CET1) ratio is the most-watched US bank capital metric, measuring common equity against risk-weighted assets.

Ranked: 109 banks with reported data Showing: Top 100 Source: FFIEC call reports (Q1 2026) What is this metric? See the US Banks with … glossary entry
# Bank HQ US Banks with … Total Assets
1 New Albin Savings Bank New Albin , IA 39.97% $348.3M
2 Security Trust & Savings Bank Storm Lake , IA 31.34% $283.7M
3 First State Bank Stuart , IA 30.20% $130.3M
4 Readlyn Savings Bank, the Readlyn , IA 26.29% $150.3M
5 Citizens First National Bank Storm Lake , IA 25.48% $248.9M
6 Washington State Bank Washington , IA 20.04% $596.4M
7 Houghton State Bank Red Oak , IA 19.22% $218.7M
8 South Ottumwa Savings Bank Ottumwa , IA 18.22% $536.1M
9 Pinnacle Bank Marshalltown , IA 17.97% $313.3M
10 Farmers Savings Bank & Trust Traer , IA 17.50% $232.5M
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11 Midwest Heritage Bank, FSB West Des Moines , IA 17.48% $490.0M
12 Guthrie County State Bank Panora , IA 17.40% $285.1M
13 Farmers & Merchants Bank & Trust Burlington , IA 17.40% $210.7M
14 Citizens Savings Bank Anamosa , IA 17.33% $175.0M
15 First Bank Waverly , IA 16.95% $747.7M
16 Earlham Savings Bank West Des Moines , IA 16.81% $383.1M
17 State Bank & Trust CO. Nevada , IA 16.69% $198.8M
18 Midstates Bank, N.A. Council Bluffs , IA 16.57% $631.4M
19 United Bank & Trust CO. Marshalltown , IA 16.39% $119.6M
20 Community Bank Dunlap , IA 15.91% $139.7M
21 Keystone Savings Bank Keystone , IA 15.88% $210.0M
22 Farmers & Merchants State Bank Winterset , IA 15.77% $265.5M
23 Sibley State Bank Sibley , IA 15.71% $110.0M
24 Iowa State Bank Algona , IA 15.69% $479.8M
25 Northstar Bank Estherville , IA 15.63% $214.4M
26 Farmers & Merchants Savings Bank Manchester , IA 15.53% $595.3M
27 Iowa State Savings Bank Creston , IA 15.32% $287.1M
28 Principal Bank Des Moines , IA 15.24% $9.60B
29 Gnb Bank Grundy Center , IA 15.22% $609.2M
30 Grinnell State Bank Grinnell , IA 15.07% $496.8M
31 Libertyville Savings Bank Fairfield , IA 15.01% $393.9M
32 Iowa State Bank Clarksville , IA 14.99% $389.6M
33 Northeast Security Bank Sumner , IA 14.95% $443.3M
34 Security Savings Bank Gowrie , IA 14.76% $198.8M
35 Home Trust & Savings Bank, the Osage , IA 14.75% $294.8M
36 American Bank and Trust Company, N.A. Davenport , IA 14.59% $464.9M
37 First National Bank Ames, Iowa Ames , IA 14.59% $1.09B
38 First Security Bank and Trust Company Charles City , IA 14.43% $549.8M
39 Leighton State Bank Pella , IA 14.35% $293.4M
40 Central State Bank Coralville , IA 14.30% $441.2M
41 Peoples Savings Bank Indianola , IA 14.19% $652.1M
42 Security State Bank Radcliffe , IA 14.15% $120.8M
43 Crawford County Trust and Savings Bank Denison , IA 14.12% $285.3M
44 Freedombank Elkader , IA 14.03% $439.8M
45 Audubon State Bank Audubon , IA 13.99% $166.9M
46 Heartland Bank Somers , IA 13.98% $264.8M
47 Cedar Rapids Bank and Trust Company Cedar Rapids , IA 13.85% $2.87B
48 First Citizens Bank Mason City , IA 13.84% $1.82B
49 Farmers Trust & Savings Bank Earling , IA 13.81% $149.9M
50 Twin Cedars Bank Bussey , IA 13.55% $117.2M
51 Marion County State Bank Pella , IA 13.47% $620.3M
52 Community Savings Bank Edgewood , IA 13.36% $616.1M
53 Hardin County Savings Bank Eldora , IA 13.30% $403.5M
54 First Whitney Bank and Trust Atlantic , IA 13.26% $299.0M
55 Farmers State Bank Waterloo , IA 13.25% $1.58B
56 Shelby County State Bank Harlan , IA 13.24% $540.0M
57 Decorah Bank and Trust Company Decorah , IA 13.21% $779.9M
58 Premier Bank Dubuque , IA 13.17% $370.7M
59 Cbi Bank & Trust Muscatine , IA 13.08% $1.66B
60 Boone Bank & Trust CO. Boone , IA 13.06% $173.9M
61 Capra Bank Dubuque , IA 12.99% $1.23B
62 Quad City Bank and Trust Company Bettendorf , IA 12.89% $3.09B
63 MidWestOne Bank Iowa City , IA 12.88% $6.25B
64 Manufacturers Bank & Trust Company Forest City , IA 12.77% $727.8M
65 Fnnb Bank Newton , IA 12.73% $104.6M
66 Union State Bank Winterset , IA 12.67% $146.2M
67 Iowa Trust & Savings Bank Emmetsburg , IA 12.66% $517.6M
68 West Bank West Des Moines , IA 12.61% $4.01B
69 First Community Bank Newell , IA 12.55% $121.0M
70 Lincoln Savings Bank Reinbeck , IA 12.27% $1.78B
71 Ts Bank Treynor , IA 12.23% $459.4M
72 Primebank Le Mars , IA 12.22% $783.8M
73 County Bank Sigourney , IA 12.20% $230.4M
74 Cedar Valley Bank & Trust La Porte City , IA 12.14% $123.2M
75 Availa Bank Carroll , IA 12.12% $1.74B
76 Reliance State Bank Story City , IA 12.12% $284.1M
77 Community Bank & Trust Company Muscatine , IA 12.09% $315.1M
78 Commercial Savings Bank Carroll , IA 12.01% $333.5M
79 Iowa Falls State Bank Iowa Falls , IA 11.90% $204.2M
80 Bank Midwest Spirit Lake , IA 11.85% $1.32B
81 Community State Bank Ankeny , IA 11.80% $1.74B
82 United Community Bank Milford , IA 11.74% $284.5M
83 American State Bank Sioux Center , IA 11.73% $1.46B
84 Peoples Bank Rock Valley , IA 11.65% $1.22B
85 Northwest Bank Spencer , IA 11.60% $2.97B
86 American Bank, N.A. Le Mars , IA 11.48% $546.5M
87 Clear Lake Bank and Trust Company Clear Lake , IA 11.35% $647.3M
88 Wcf Financial Bank Webster City , IA 11.33% $226.8M
89 Farmers Trust and Savings Bank Spencer , IA 11.26% $638.3M
90 Connection Bank Fort Madison , IA 11.23% $543.5M
91 Raccoon Valley Bank Perry , IA 11.17% $489.9M
92 Liberty National Bank Sioux City , IA 11.10% $605.2M
93 Peoples Bank Clive , IA 11.04% $524.7M
94 Bankers Trust Company Des Moines , IA 10.90% $7.47B
95 Iowa State Bank and Trust Company Fairfield , IA 10.80% $325.3M
96 Westside State Bank Westside , IA 10.71% $259.4M
97 Nsb Bank Mason City , IA 10.70% $479.0M
98 Malvern Bank Malvern , IA 10.54% $252.3M
99 Fidelity Bank & Trust Dubuque , IA 10.53% $2.58B
100 Central Bank Storm Lake , IA 10.51% $2.25B

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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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