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BankSonar

The Security National Bank of Sioux City, Iowa

Sioux City, IA · National commercial bank

71

Sonar Score

Stable

out of 100 · from public FDIC data

Reported March 31, 2026. The Sonar Score is an informational signal from public FDIC data — not a rating or financial advice.

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Key figures

Total assets
$1.7B
Total deposits
$1.4B
Branches
10
Return on assets
1.76%
Return on equity
14.96%
Charter type
National commercial bank
Established
1884
FDIC cert #
4506

How the 71 breaks down

Capital adequacyweight 40%

Capital ratio not reported.

Profitability (ROA)weight 30%

Strong returns on its asset base.

Return on equityweight 15%

Efficient use of shareholder capital.

Scale & stabilityweight 15%

Mid-size institution.

Read the full Sonar Score methodology →

Your deposits at The Security National Bank of Sioux City, Iowa

The Security National Bank of Sioux City, Iowa is an FDIC-insured institution (Cert #4506). Deposits are insured up to $250,000 per depositor, per ownership category, by the full faith and credit of the US government. Learn how to maximize your coverage →

10 branch locations

313 N 4th St

Mapleton, IA 51034

3131 Floyd Blvd

Sioux City, IA 51108

Sergeant And South Lakeport Roads

Sioux City, IA 51106

319 Cedar St

Lawton, IA 51030

251 Reed St

Akron, IA 51001

601 Pierce St

Sioux City, IA 51101

2827 Hamilton Blvd

Sioux City, IA 51104

934 3rd Ave

Sheldon, IA 51201

315 Frontage Road

Moville, IA 51039

122 Central Ave Nw

Orange City, IA 51041

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