The Security National Bank of Sioux City, Iowa
Headquarters: Sioux City, Iowa
Overview
The Security National Bank of Sioux City, Iowa is an FDIC-insured bank headquartered in Sioux City, Iowa. It reported $1.69B in assets and $1.31B in deposits for the period ending June 30, 2026. Bankular currently lists 10 branch locations.
What Bankular checked
These dates identify the official records and review steps supporting this profile.
Quarterly change
What changed since the previous report
March 31, 2026 to June 30, 2026
These comparisons use consecutive official regulatory reporting periods. A change is descriptive and is not a recommendation or safety rating.
Financial indicators
Capital, profitability and credit quality
These are the latest reported capital, profitability and credit-quality measures available for this institution. Read the figures together rather than as a single safety rating.
Branch footprint
Where The Security National Bank of Sioux City, Iowa has branches
Explore the cities with the most currently listed locations. Branch hours can change, so confirm current lobby, drive-through and appointment hours with the institution before visiting.
Locations
Find a branch of The Security National Bank of Sioux City, Iowa
Northwestern Bank
122 Central Ave NW, Orange City, Iowa, 51041
Full-service branch · Opened October 16, 2023
Akron Branch
251 Reed St, Akron, Iowa, 51001
Full-service branch · Opened June 1, 1904
Lawton Branch
319 Cedar St, Lawton, Iowa, 51030
Full-service branch · Opened September 25, 1936
Main Office
601 Pierce St, Sioux City, Iowa, 51101
Full-service branch · Opened January 1, 1884
Mapleton Branch
313 N 4th St, Mapleton, Iowa, 51034
Full-service branch · Opened January 1, 1889
Morningside
Sergeant And South Lakeport Roads, Sioux City, Iowa, 51106
Full-service branch · Opened September 25, 1968
Financial overview
Latest reported figures
Through June 30, 2026
Financial trends
How the balance sheet has changed
Compare recent quarters to see the direction of assets, deposits and loans.
| Quarter | Assets | Deposits | Net loans | ROA |
|---|---|---|---|---|
| June 30, 2026 | $1.69B | $1.31B | $1.19B | 1.79% |
| March 31, 2026 | $1.74B | $1.38B | $1.17B | 1.76% |
| December 31, 2025 | $1.68B | $1.33B | $1.14B | 1.55% |
| September 30, 2025 | $1.70B | $1.34B | $1.13B | 1.61% |
| June 30, 2025 | $1.63B | $1.29B | $1.10B | 1.54% |
| March 31, 2025 | $1.69B | $1.33B | $1.09B | 1.49% |
| December 31, 2024 | $1.64B | $1.20B | $1.07B | 1.39% |
| September 30, 2024 | $1.62B | $1.20B | $1.04B | 1.48% |
Size and reach
How this institution compares
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More on The Security National Bank of Sioux City, Iowa
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Branch locations
10 listed locations.
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Explore →State banking market
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Explore →Sioux City banking market
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Explore →Rankings and research
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Explore →Sources and methodology
Review the official sources and reporting periods.
Explore →Frequently asked questions
Is The Security National Bank of Sioux City, Iowa federally insured?
Yes. Bankular identifies this institution in FDIC records under certificate 4506.
Where is The Security National Bank of Sioux City, Iowa headquartered?
The Security National Bank of Sioux City, Iowa is headquartered in Sioux City, Iowa, at 601 Pierce St, Sioux City, Iowa, 51101.
How large is The Security National Bank of Sioux City, Iowa?
It reported $1.69B in assets and $1.31B in deposits for the period ending June 30, 2026.
How many locations does The Security National Bank of Sioux City, Iowa have?
Bankular currently lists 10 branch locations for this institution.
Data sources and methodology
Bankular combines official regulatory records with institution-published product information. The detailed sources are available below for readers who want to verify a figure.