Total Assets
$1.7B
Total Deposits
$1.3B
Branches
10
Established
1884
The Security National Bank of Sioux City, Iowa is a bank headquartered in Sioux City, Iowa, established in 1884. It holds $1.7B in total assets across 10 branch locations. In our editorial opinion, based on public FDIC/NCUA data, The Security National Bank of Sioux City, Iowa earns a TFS Financial Health Grade of A (89.8/100) — our editorial assessment, not an official rating or financial advice.
TFS Health Grade
89.8 / 100
Excellent financial health
How we gradeTFS Health Grades are our editorial opinion based on public FDIC/NCUA data — not an official rating, not financial advice.
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Financial data through June 30, 2026. Updated by TFS August 28, 2026. Data sourced from FDIC BankFind Suite as of 2026-Q2. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
Data sourced from CFPB Consumer Complaint Database. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
| Branch | Address | City | State | Type |
|---|---|---|---|---|
| The Security National Bank of Sioux City, IowaHQ | 601 Pierce St | Sioux City | IA | 11 |
| The Security National Bank of Sioux City, Iowa | 251 Reed St | Akron | IA | 11 |
| The Security National Bank of Sioux City, Iowa | 319 Cedar St | Lawton | IA | 11 |
| The Security National Bank of Sioux City, Iowa | 313 N 4th St | Mapleton | IA | 11 |
| The Security National Bank of Sioux City, Iowa | 315 Frontage Road | Moville | IA | 11 |
| The Security National Bank of Sioux City, Iowa | 122 Central Ave Nw | Orange City | IA | 11 |
| The Security National Bank of Sioux City, Iowa | 934 3rd Ave | Sheldon | IA | 11 |
| The Security National Bank of Sioux City, Iowa | 3131 Floyd Blvd | Sioux City | IA | 11 |
| The Security National Bank of Sioux City, Iowa | Sergeant And South Lakeport Roads | Sioux City | IA | 11 |
| The Security National Bank of Sioux City, Iowa | 2827 Hamilton Blvd | Sioux City | IA | 12 |
Data sourced from FDIC BankFind Suite. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
Data sourced from FDIC Enforcement Decisions and Orders / NCUA. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
TFS Financial Health Grades represent our editorial assessment based on publicly available data and our proprietary methodology. They do not represent financial advice or an official government rating. Data on this page is sourced from federal government databases and is believed to be accurate.
Benchmarked against 60 active, federally insured banks reporting in the same quarter and holding roughly 0.5×–2× its assets. Same-state and overlapping-market peers are prioritized.
TFS health score
89.8
Tier 1 capital ratio
12.79%
Return on assets
1.79%
Non-performing loans
0.26%
Efficiency ratio
51.77%
Asset growth (YoY)
3.51%
Suggested direct comparisons
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Complaint percentiles are intentionally withheld while TFS audits CFPB company matching and import coverage. Peer conclusions use complete same-quarter regulatory metrics only.