Bankgraph
FDIC data through Q2 ʼ26
Institutions /

Security Trust & Savings Bank

Storm Lake, IA FDIC 968 FED Storm Lake Security Bancorp Asset group $100M – $300M 3 offices · 19 employees Filed Q2 2026
Assets
$266.4M
Deposits
$239.4M
ROA
1.24%
ROE
13.01%
NIM
2.74%
Efficiency
54.08%
Tier 1 capital
31.77%
Total capital
33.02%
Noncurrent loans
0.78%
Loans / deposits
32.75%

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