Security Trust & Savings Bank
Headquarters: Storm Lake, Iowa
Overview
Security Trust & Savings Bank is an FDIC-insured bank headquartered in Storm Lake, Iowa. It reported $283.70M in assets and $257.06M in deposits for the period ending March 31, 2026. Bankular currently lists 3 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
December 31, 2025 to March 31, 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.
Locations
Find a branch of Security Trust & Savings Bank
Auto
300 West 5th Street, Storm Lake, Iowa, 50588
Limited Service: Drive Thru/Detached Facility · Opened March 13, 1961
Address and directions →Main Office
601 Lake Street, Storm Lake, Iowa, 50588
Full-service branch · Opened January 1, 1908
Rembrandt Branch
101 E Main St, Rembrandt, Iowa, 50576
Full-service branch · Opened May 15, 1915
Financial overview
Latest reported figures
Through March 31, 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 |
|---|---|---|---|---|
| March 31, 2026 | $283.70M | $257.06M | $78.26M | 1.18% |
| December 31, 2025 | $274.87M | $248.24M | $80.87M | 1.01% |
| September 30, 2025 | $282.51M | $256.23M | $74.41M | 1.00% |
| June 30, 2025 | $268.56M | $243.89M | $76.05M | 0.96% |
| March 31, 2025 | $282.02M | $257.90M | $77.64M | 0.86% |
| December 31, 2024 | $271.26M | $249.05M | $79.10M | 0.48% |
| September 30, 2024 | $283.56M | $259.11M | $74.03M | 0.40% |
| June 30, 2024 | $263.22M | $241.86M | $74.91M | 0.44% |
Size and reach
How this institution compares
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More on Security Trust & Savings Bank
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Branch locations
3 listed locations.
Explore →Compare this institution
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Explore →State banking market
Explore institutions and deposit-market context in Iowa.
Explore →Storm Lake 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 Security Trust & Savings Bank federally insured?
Yes. Bankular identifies this institution in FDIC records under certificate 968.
Where is Security Trust & Savings Bank headquartered?
Security Trust & Savings Bank is headquartered in Storm Lake, Iowa, at 601 Lake Street, Storm Lake, Iowa, 50588.
How large is Security Trust & Savings Bank?
It reported $283.70M in assets and $257.06M in deposits for the period ending March 31, 2026.
How many locations does Security Trust & Savings Bank have?
Bankular currently lists 3 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.