Security State Bank (Iron River, WI)
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Data as of · sourced from FFIEC call reports. How we update
Security State Bank is an FDIC-insured commercial bank headquartered in Iron River, WI, established in 1911 (FDIC certificate 9036), and it is supervised by the FDIC. At Q2 2026 it reported total assets of $136.2M, down 0.4% from Q2 2025, the 133rd largest of 153 banks headquartered in Wisconsin. Its CET1 capital ratio was 29.15% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Charter
- Commercial bank
- Regulator
- FDIC
- Deposit insurance
- FDIC
- FDIC certificate
- 9036
- Headquarters
- Iron River, WI
- Established
- 1911
- Total assets, Q2 2026
- $136.2M
- Assets vs Q2 2025
- -0.4%
- CET1 ratio, Q2 2026
- 29.15%
- Domestic offices
- 3 FDIC institution directory, current count
- Routing number
- 091510075
- Holding company
- SECURITY BANK SHARES, INC.
- Asset rank in state
- 133rd of 153 in Wisconsin
Security State Bank carries far more capital than most banks of its size. Based in Iron River, Wisconsin, it had $136 million in assets at June 30, 2026. It holds common equity equal to 29.15% of its risk-weighted assets, about double the median of 15.12% for the 2,660 banks with $100 million to $1 billion in assets. It also lost 2.8% of its deposits over the year, lower than about three-quarters of banks its size (median 4.0%).
Problem loans fell by more than half over the year: loans on nonaccrual or 90 or more days past due, net of government guarantees are down to 0.37% of loans from 1.62%. Loans and deposits moved in opposite directions: over the year loans rose 8.8% and deposits fell 2.8%.
As of June 30, 2026, Security State Bank reported a CET1 capital ratio of 29.15%, a return on assets of 1.81%, a nonperforming-loan ratio of 0.37% and a Texas ratio of 1.11%. The figures come from its call report filed with the FFIEC.
By total assets at Q2 2026, Security State Bank is the 133rd largest of the 153 banks headquartered in Wisconsin. Quarter on quarter (Q1 2026 to Q2 2026), its total assets fell 3.1% to $136.2M, loans rose 15.5% and deposits fell 4.5%. The largest part of its loan book on June 30, 2026 was 1-4 family residential loans, at 37.6% of total loans, ahead of commercial and industrial loans at 24.0%. The FDIC Summary of Deposits lists 3 offices for it, in Iron River, WI, Brule, WI and Port Wing, WI; its Iron River office books 80% of its branch deposits. On its Q2 2026 call report, Security State Bank meets every capital ratio test for well capitalized.
Headquarters Profile
- Address
- 7865 Us Highway 2, Iron River, WI 54847
- County
- Bayfield
- Charter
- Commercial bank, state charter, Fed non-member, FDIC-supervised
- Primary Regulator
- FDIC
- FDIC Region
- Chicago (Region 9)
- Federal Reserve member
- No
- Federal Reserve district
- District 9, Minneapolis
- Fiduciary (trust) powers
- —
- Call Report form
- FFIEC 051
- Established
- June 6, 1911
- Domestic offices
- 3 FDIC institution directory, current count
- Employees (FTE)
- 16
- Domestic deposits
- $105.2M
- Allowance for credit losses
- $1.6M
- Net charge-offs (YTD)
- $11K
- Average total assets
- $136.7M
- Average total loans
- $85.5M
- Average interest-bearing deposits
- $82.1M
- Tax status
- C corporation
- Ownership
- Stock
- Community bank
- Yes
- FDIC-insured since
- January 1, 1934
- FDIC Cert
- 9036
- Fed RSSD
- 43052
- Website
- www.sbankonline.com →
- Parent Holding Company
- SECURITY BANK SHARES, INC. (RSSD 1128497)
Profitability
Q2 annualizedCapital & Liquidity
Balance Sheet
Income Statement
Operating & Funding
Ratios tagged annualized use the Q2 income alone. The UBPR and FDIC annualize the year to date instead. FDIC BankFind divides by the average of quarter-end total assets, the UBPR by RC-K average assets. The YTD margin is the UBPR's tax-equivalent figure over its own average earning assets; FDIC BankFind's margin is not tax-equivalent. How we compute these figures
Quarterly trends
From Q3 2023 to Q2 2026, Security State Bank's total assets ranged from $119.6M (Q1 2024) to $140.6M (Q1 2026), and it earned a profit in 11 of the 12 quarters. The line under each chart compares Q2 2026 with Q2 2025. How these charts are built
$136.2M total assets against $136.8M; $107.8M total liabilities against $110.5M.
$90.0M net loans and leases against $82.7M; $105.2M total deposits against $108.2M.
$28.9M securities against $25.2M; $8.5M cash and balances due against $20.4M.
$1.9M total interest income against $1.9M; $358K total interest expense against $357K.
$1.6M net interest income against $1.5M.
$169K total noninterest income against $177K; $872K total noninterest expense against $802K.
$42K provision for credit losses against $30K.
$619K net income against $682K.
1.81% return on assets against 2.04%; 4.75% net interest margin against 4.84%.
29.15% CET1 capital ratio against 28.70%; 21.38% tier 1 leverage ratio against 20.33%.
Inside the full Security State Bank terminal
21 quarters of trends · 8 tabs · peer percentiles · watchlist alerts
Unlock this bank, freeSecurity State Bank rankings
Its closest position to the top of a national ranking is 93 of 2,134, for CET1 ratio; its furthest is 3,403 of 4,196, for total assets.
Quarterly trend: last 8 quarters
Across the 8 quarters to Q2 2026, its return on assets ran from -0.06% (Q3 2024) to 3.40% (Q1 2026) and its net interest margin ran from 4.74% (Q1 2025) to 6.29% (Q1 2026).
| Quarter | CET1 | ROA | NPL | Texas | NIM |
|---|---|---|---|---|---|
| Q2 2026 | 29.15% | 1.81% | 0.37% | 1.11% | 4.75% |
| Q1 2026 | 31.88% | 3.40% | 0.41% | 1.12% | 6.29% |
| Q4 2025 | 30.06% | 1.57% | 0.57% | 1.67% | 5.05% |
| Q3 2025 | 30.54% | 1.64% | 0.53% | 1.53% | 5.29% |
| Q2 2025 | 28.70% | 2.04% | 1.62% | 4.92% | 4.84% |
| Q1 2025 | 30.35% | 2.12% | 0.59% | 1.65% | 4.74% |
| Q4 2024 | 30.00% | 1.95% | 0.58% | 1.59% | 5.58% |
| Q3 2024 | 29.47% | -0.06% | 1.07% | 2.86% | 4.81% |
Swipe the table sideways to see every column.
Branch Network
View all 3 branches → Branch count from the FDIC Summary of Deposits, June 30, 2026. The domestic office count above is the FDIC's current figure, so the two can differ.
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Security State Bank (main office) | Iron River , WI | 54847 | $83.7M |
| Brule Branch | Brule , WI | 54820 | $11.0M |
| Port Wing Branch | Port Wing , WI | 54865 | $10.6M |
Regulatory record
Facts as filed or published, not a rating.
- Deposit market share
- <0.1% of deposits in WI, rank 152 of 185 institutions
- Period: June 30, 2026. Source: FDIC Summary of Deposits.
- Mortgage lending (HMDA)
- 24 applications, 18 loans originated, $3.2M originated, across 1 states
- Period: Calendar year 2025. Source: FFIEC HMDA loan application register.
- SBA 7(a) lending
- 1 loans, $162K approved, $162K average. 0.00% of that year's loans have since been charged off
- Period: Federal fiscal year 2014 (October to September). Source: SBA 7(a) and 504 loan data (FOIA).
- Not on file
- Enforcement actions, Consumer complaints, CFPB enforcement, CRA examination rating. No record from these sources, which is not the same as a clean record. Sources
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Frequently asked about Security State Bank
What are Security State Bank's total assets?
As of the Q2 2026 filing, Security State Bank reported total assets of $136.2 million in its FFIEC call report.
Where is Security State Bank headquartered?
It is headquartered in Iron River, WI, United States.
When was Security State Bank founded?
It was established in 1911, per the FDIC institution directory.
Is Security State Bank FDIC-insured?
Yes. It is an FDIC-insured commercial bank (FDIC Certificate #9036). Deposits are insured up to $250,000 per depositor, per insured bank, for each account ownership category, per FDIC rules.
Who regulates Security State Bank?
Security State Bank's primary federal regulator is the FDIC.
What is Security State Bank's CET1 capital ratio?
It reported a Common Equity Tier 1 (CET1) capital ratio of 29.15% in its Q2 2026 call report, comfortably above the 7% level required once the capital conservation buffer is included.
How many branches does Security State Bank operate?
It operates 3 domestic offices, per the FDIC institution directory. That count includes administrative and limited-service offices as well as full-service branches.
What is Security State Bank's Texas Ratio?
Its Texas Ratio is 1.11% in its Q2 2026 call report, within the healthy range (at or below 50%, the level at which problem assets reach half of the capital cushion). The Texas Ratio measures non-performing assets against the bank's capital and reserves.
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