Total Assets
$63M
Total balance-sheet footings
FDIC Cert #251 · Mapleton, Iowa · Est. 1878
First Security Bank - FDIC Bank Health Profile
Free, sourced directly from the FDIC BankFind Suite and quarterly Call Report, capital, profitability, and safety metrics, refreshed each quarter.
- $63M
- Total assets
- B
- Health grade · Good
- 0.28%
- Return on assets
- 16.6%
- Tier 1 capital
The verdict
First Security Bank earns a PlainBankData health grade of B (75/100), with well-capitalized at 16.61% Tier 1, 0.28% ROA, 70% efficiency ratio.
- #4,026
- largest of 4,313 FDIC banks by assets
- 7th
- percentile by asset size, nationally
- 16.61%
- Tier 1 ratio - above the 10% well-capitalized line
- 10th
- percentile for profitability (ROA), nationally
Health grades are PlainBankData's interpretation of FDIC Call Report data — not official FDIC ratings. Every dollar on deposit remains FDIC-insured to $250,000 per depositor, per category, regardless of grade.
Balance sheet at a glance
Total Deposits
$53M
Customer-funded liabilities
Net Loans
$38M
Outstanding loan book
Net Income
$183K
Bottom-line earnings
Capital adequacy vs federal thresholds
Basel III capital ratios - First Security Bank
Safety metrics
Tier 1 capital ratio
Well-capitalized 10%
16.61% of risk-weighted assets — above the federal "well-capitalized" threshold of 10%.
Tier 1 Capital Ratio
Core capital ÷ risk-weighted assets. Well-capitalized: ≥10%
16.61%
Texas Ratio
Non-performing loans ÷ equity. Danger zone: >100%
0.00%
Equity Capital
Tangible book value as a capital buffer
$10M
Profitability metrics
Return on Assets (ROA)
Net income ÷ assets. Healthy: ≥1% · 9.5th pct nationally
0.28%
Return on Equity (ROE)
Net income ÷ equity. Industry avg: ~10%
1.87%
Efficiency Ratio
Operating costs ÷ revenue. Efficient: <60%
69.79%
What the numbers say about First Security Bank
First Security Bank is an FDIC-insured institution (Certificate #251) headquartered in Mapleton, Iowa, established in 1878. It holds $63M in total assets — 4,026th of 4,313 FDIC-insured banks, $53M in customer deposits, and $38M in net loans. On safety, its Tier 1 capital ratio of 16.61% is above the 10% well-capitalized threshold, and its Texas Ratio of 0.00% sits in the healthy range below 50%. It earns a PlainBankData health grade of B (75/100), a composite of Tier 1 capital, ROA, the Texas Ratio, and efficiency. These figures come directly from the bank's quarterly FDIC Call Report.
Not financial advice. Health grades are PlainBankData's interpretation of regulatory filings, not official FDIC ratings or predictions. Every dollar on deposit is FDIC-insured to $250,000 per depositor, per ownership category — regardless of grade.
Income & expense breakdown
$3M
Interest Income
$342K
Non-Interest Income
$2M
Non-Interest Expense
Asset quality — Texas Ratio detail
The Texas Ratio compares troubled assets to the capital available to absorb losses. First Security Bank reports a Texas Ratio of 0.00% — comfortably in the healthy band; non-performing loans are a small fraction of the bank’s loss-absorbing capital.
Texas Ratio
Caution 50%
0.00% — lower is safer; 100% is the level at which troubled assets equal loss-absorbing capital.
FDIC deposit insurance
First Security Bank is FDIC-insured (Certificate #251). Your deposits are protected up to $250,000 per depositor, per account category regardless of this bank's health grade.
Top banks in Iowa by total assets
Source: FDIC BankFind Suite — Call Report (FFIEC 031/041) First Security Bank (FDIC Cert #251) — Tier 1 capital ratio, total assets, deposits, ROA/ROE · 2025 FDIC Call Reports filed quarterly; latest publicly-available vintage shown. Health grades are PlainBankData's interpretation of regulatory filings and are not official FDIC ratings.
Other banks in Iowa
All Iowa banks →| Bank | Assets | Grade | ROA |
|---|---|---|---|
| Principal BankDes Moines | $9.3B | A | 1.24% |
| Bankers Trust CompanyDes Moines | $7.5B | A | 1.10% |
| MidWestOne BankIowa City | $6.3B | A | 1.12% |
| Hills Bank and Trust CompanyHills | $4.6B | C | 1.33% |
| West BankWest Des Moines | $4.1B | A | 0.94% |
| Northwest BankSpencer | $3.0B | B | 1.03% |
| Cedar Rapids Bank and Trust CompanyCedar Rapids | $2.9B | A | 2.83% |
| Quad City Bank and Trust CompanyBettendorf | $2.7B | A | 1.30% |
Frequently asked questions
What is First Security Bank's health grade?▼
First Security Bank receives a health grade of B (75/100) based on four FDIC financial metrics: Tier 1 Capital Ratio (40%), Return on Assets (25%), Texas Ratio (20%), and Efficiency Ratio (15%). This bank shows good financial health with solid capital levels above regulatory minimums.
How large is First Security Bank?▼
First Security Bank holds $63M in total assets and $53M in deposits, ranking 4,026th of 4,313 FDIC-insured banks by asset size. It is headquartered in Mapleton, Iowa.
Is my money safe at First Security Bank?▼
Yes. First Security Bank is FDIC-insured (Certificate #251). Your deposits are protected up to $250,000 per depositor, per account category, regardless of the bank's health grade. If a bank fails, the FDIC typically makes insured deposits available within one business day.
What is First Security Bank's Tier 1 Capital Ratio?▼
First Security Bank has a Tier 1 Capital Ratio of 16.61%. This exceeds the 10% threshold for "well-capitalized" status under federal banking regulations.
What is the Texas Ratio for First Security Bank?▼
First Security Bank has a Texas Ratio of 0.00%. A ratio below 50% is generally considered healthy. The Texas Ratio measures non-performing loans against equity and reserves, a higher ratio signals greater exposure to loan losses.
How efficient is First Security Bank?▼
First Security Bank has an Efficiency Ratio of 69.79%. Above 60% means a larger share of revenue goes to operating costs. This metric compares non-interest expenses to total revenue.
What to do with this
How to read First Security Bank's profile as a depositor or analyst.
- First Security Bank's grade reflects capital, profitability, and asset quality — read the four pillars before drawing conclusions. How grades work
- Deposits are FDIC-insured to $250,000 per depositor, per category — confirm your coverage if balances are large. FDIC insurance explained
- Compare First Security Bank against other Iowa banks before moving funds. Iowa banks
Not financial advice. Health grades are PlainBankData's interpretation of public FDIC Call Report data, not official FDIC ratings or predictions. Verify the latest figures at the FDIC BankFind Suite.
Data compiled from the Federal Deposit Insurance Corporation (FDIC) (FDIC BankFind Suite, Call Report FFIEC 031/041). See our methodology for the full ETL pipeline, source vintage, and column lineage.
Disclaimer: Provided for informational purposes only; not professional advice. Consult a qualified professional before making decisions based on this data.
Read our methodology — how this data is sourced, computed, and verified.