Bank Security Trust & Savings Bank
Security Trust & Savings Bank is a federally insured bank based in Storm Lake, Iowa.
- Type
- Bank
- Charter
- State-chartered commercial bank, Federal Reserve member
- Primary regulator
- FED
- Established
- January 1, 1908
- Headquarters
- Storm Lake, IA
- FDIC certificate #
- 968
- Fed RSSD ID
- 363648
- Holding company
- Storm Lake Security Bcorp
- Website
- www.securitybanksl.com
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
Security Trust & Savings Bank operates 3 branch locations in Iowa. Select a state to drill down to its towns and individual branches.
Ownership
Security Trust & Savings Bank is owned by Storm Lake Security Bcorp. See the full ownership & merger history.
Security Trust & Savings Bank financial summary
Other banks in Iowa
Federally insured banks headquartered in Iowa, by total assets.
- Principal Bank $9.6B
- Bankers Trust Company $7.47B
- Hills Bank and Trust Company $4.67B
- West Bank $4.01B
- Quad City Bank and Trust Company $3.09B
- Northwest Bank $2.97B
- Cedar Rapids Bank and Trust Company $2.87B
- Fidelity Bank & Trust $2.58B
Similar-size banks
Institutions close to Security Trust & Savings Bank’s $283.7M in assets.
- Nekoosa Port Edwards State Bank $283.7M
- RiverBank $283.7M
- Sundance State Bank $283.6M
- Bank of Rantoul $283.6M
- Reliance State Bank $284.1M
- Merchants and Farmers Bank $283.3M