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Size · Iowa

Largest US Banks by Deposits in Iowa

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

#1 US Banks by Deposits: PRINCIPAL BANK — $9.05B . Total deposits across all FDIC-insured banks exceed $20 trillion. The largest US bank by deposits leads this list.

Ranked: 235 banks with reported data Showing: Top 100 Source: FFIEC call reports (Q1 2026)
# Bank HQ Value Total Assets
1 Principal Bank Des Moines , IA $9.05B $9.60B
2 Bankers Trust Company Des Moines , IA $5.85B $7.47B
3 MidWestOne Bank Iowa City , IA $5.48B $6.25B
4 Hills Bank and Trust Company Hills , IA $3.61B $4.67B
5 West Bank West Des Moines , IA $3.34B $4.01B
6 Quad City Bank and Trust Company Bettendorf , IA $2.73B $3.09B
7 Northwest Bank Spencer , IA $2.61B $2.97B
8 Fidelity Bank & Trust Dubuque , IA $2.15B $2.58B
9 United Bank of Iowa Ida Grove , IA $1.99B $2.53B
10 Cedar Rapids Bank and Trust Company Cedar Rapids , IA $1.98B $2.87B
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11 Bank Iowa West Des Moines , IA $1.97B $2.35B
12 Luana Savings Bank Luana , IA $1.89B $2.20B
13 Central Bank Storm Lake , IA $1.89B $2.25B
14 First Citizens Bank Mason City , IA $1.60B $1.82B
15 Lincoln Savings Bank Reinbeck , IA $1.54B $1.78B
16 Availa Bank Carroll , IA $1.42B $1.74B
17 Cbi Bank & Trust Muscatine , IA $1.41B $1.66B
18 The Security National Bank of Sioux City, Iowa Sioux City , IA $1.38B $1.74B
19 Community State Bank Ankeny , IA $1.31B $1.74B
20 Farmers State Bank Waterloo , IA $1.26B $1.58B
21 American State Bank Sioux Center , IA $1.24B $1.46B
22 Bank Midwest Spirit Lake , IA $1.12B $1.32B
23 Two Rivers Bank & Trust Burlington , IA $1.05B $1.20B
24 Pilot Grove Savings Bank Pilot Grove , IA $1.05B $1.18B
25 Capra Bank Dubuque , IA $1.04B $1.23B
26 Peoples Bank Rock Valley , IA $1.03B $1.22B
27 First National Bank Ames, Iowa Ames , IA $939.3M $1.09B
28 Farmers State Bank Marion , IA $933.0M $1.13B
29 Iowa State Bank Hull , IA $894.8M $1.23B
30 Visionbank of Iowa Ames , IA $740.0M $899.9M
31 Cusb Bank Cresco , IA $715.0M $813.9M
32 Bankiowa Cedar Rapids , IA $705.4M $836.5M
33 Premier Bank Rock Valley , IA $700.0M $847.9M
34 City State Bank Norwalk , IA $697.2M $791.6M
35 Primebank Le Mars , IA $693.1M $783.8M
36 Green Belt Bank & Trust Iowa Falls , IA $690.7M $772.0M
37 Decorah Bank and Trust Company Decorah , IA $679.6M $779.9M
38 Manufacturers Bank & Trust Company Forest City , IA $630.1M $727.8M
39 First Bank Waverly , IA $622.8M $747.7M
40 First Central State Bank De Witt , IA $608.1M $784.0M
41 Clear Lake Bank and Trust Company Clear Lake , IA $583.5M $647.3M
42 Peoples Savings Bank Indianola , IA $582.1M $652.1M
43 Farmers Trust and Savings Bank Spencer , IA $579.9M $638.3M
44 Midstates Bank, N.A. Council Bluffs , IA $542.9M $631.4M
45 Marion County State Bank Pella , IA $536.4M $620.3M
46 Citizens State Bank Monticello , IA $530.4M $582.9M
47 First State Bank Webster City , IA $529.5M $629.6M
48 Farmers & Merchants Savings Bank Manchester , IA $514.7M $595.3M
49 Gnb Bank Grundy Center , IA $514.5M $609.2M
50 Washington State Bank Washington , IA $501.6M $596.4M
51 Community Savings Bank Edgewood , IA $496.4M $616.1M
52 South Story Bank & Trust Slater , IA $483.3M $607.3M
53 Shelby County State Bank Harlan , IA $479.9M $540.0M
54 First Security Bank and Trust Company Charles City , IA $477.8M $549.8M
55 Central State Bank State Center , IA $470.6M $562.2M
56 Connection Bank Fort Madison , IA $456.7M $543.5M
57 Peoples Bank Clive , IA $453.8M $524.7M
58 South Ottumwa Savings Bank Ottumwa , IA $445.7M $536.1M
59 Liberty National Bank Sioux City , IA $442.3M $605.2M
60 Home State Bank Jefferson , IA $442.1M $485.7M
61 American Bank, N.A. Le Mars , IA $436.5M $546.5M
62 Raccoon Valley Bank Perry , IA $435.4M $489.9M
63 Rolling Hills Bank & Trust Atlantic , IA $415.3M $482.1M
64 Nsb Bank Mason City , IA $415.0M $479.0M
65 Ohnward Bank & Trust Cascade , IA $408.8M $489.2M
66 Ts Bank Treynor , IA $407.1M $459.4M
67 Midwest Heritage Bank, FSB West Des Moines , IA $400.0M $490.0M
68 American Bank and Trust Company, N.A. Davenport , IA $399.8M $464.9M
69 Iowa Trust & Savings Bank Emmetsburg , IA $392.5M $517.6M
70 Waukon State Bank Waukon , IA $385.3M $450.2M
71 Iowa State Bank Algona , IA $384.6M $479.8M
72 Iowa State Bank Des Moines , IA $378.6M $464.3M
73 Freedombank Elkader , IA $375.8M $439.8M
74 Clinton National Bank, the Clinton , IA $375.7M $431.9M
75 First Iowa State Bank Albia , IA $369.0M $404.3M
76 Trubank Indianola , IA $360.2M $487.5M
77 Central State Bank Coralville , IA $359.2M $441.2M
78 Northeast Security Bank Sumner , IA $353.9M $443.3M
79 Grinnell State Bank Grinnell , IA $351.8M $496.8M
80 Earlham Savings Bank West Des Moines , IA $345.7M $383.1M
81 Maquoketa State Bank Maquoketa , IA $343.0M $444.5M
82 Iowa State Bank Clarksville , IA $337.5M $389.6M
83 Hardin County Savings Bank Eldora , IA $337.2M $403.5M
84 Security State Bank Sutherland , IA $337.2M $485.3M
85 Farmers Trust & Savings Bank Buffalo Center , IA $318.6M $360.9M
86 Glenwood State Bank Glenwood , IA $318.4M $362.1M
87 Premier Bank Dubuque , IA $316.4M $370.7M
88 Libertyville Savings Bank Fairfield , IA $312.9M $393.9M
89 First State Bank Lynnville , IA $312.2M $390.1M
90 Pcsb Bank Clarinda , IA $301.9M $332.3M
91 New Albin Savings Bank New Albin , IA $295.5M $348.3M
92 Community State Bank Spencer , IA $293.6M $341.5M
93 Community Bank & Trust Company Muscatine , IA $292.1M $315.1M
94 Citizens First Bank Clinton , IA $288.9M $359.3M
95 Kerndt Brothers Savings Bank Lansing , IA $287.9M $350.9M
96 Commercial Savings Bank Carroll , IA $277.8M $333.5M
97 American State Bank Osceola , IA $275.2M $352.0M
98 Iowa State Bank and Trust Company Fairfield , IA $270.9M $325.3M
99 Pinnacle Bank Marshalltown , IA $269.0M $313.3M
100 Iowa Savings Bank Carroll , IA $265.2M $295.0M

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All data sourced from the most recent FFIEC call report filings, refreshed each quarter as new filings are processed. See /data-updates/ for the current data freshness window.

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