Total Assets
$232.5M
Total Deposits
$206.1M
Branches
4
Established
1919
Security State Bank of Marine is a bank headquartered in Marine On St. Croix, Minnesota, established in 1919. It holds $232.5M in total assets across 4 branch locations. In our editorial opinion, based on public FDIC/NCUA data, Security State Bank of Marine earns a TFS Financial Health Grade of A (92.4/100) — our editorial assessment, not an official rating or financial advice.
TFS Health Grade
92.4 / 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 |
|---|---|---|---|---|
| Security State Bank of MarineHQ | 120 Judd St | Marine On St. Croix | MN | 11 |
| Security State Bank of Marine | 21450 Forest Blvd N | Forest Lake | MN | 11 |
| Security State Bank of Marine | 30626 Lincoln Rd | Lindstrom | MN | 11 |
| Security State Bank of Marine | 21190 Ozark Ave N | Scandia | MN | 11 |
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
92.4
Tier 1 capital ratio
10.87%
Return on assets
2.37%
Non-performing loans
0.13%
Efficiency ratio
42.50%
Asset growth (YoY)
3.03%
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.