Total Assets
$378M
Total balance-sheet footings
FDIC Cert #18171 · O'Fallon, Illinois · Est. 1960
Bank of O'Fallon - FDIC Bank Health Profile
A community-scale look at Bank of O'Fallon's own numbers, pulled straight from its quarterly FDIC Call Report.
- $378M
- Total assets
- A
- Health grade · Excellent
- 1.26%
- Return on assets
- 22.1%
- Tier 1 capital
Data updated July 2026
The verdict
Bank of O'Fallon earns a PlainBankData health grade of A (92/100), with well-capitalized at 22.08% Tier 1, profitable at 1.26% ROA, efficient (57% cost ratio).
- #2,159
- largest of 4,313 FDIC banks by assets
- 50th
- percentile by asset size, nationally
- 22.08%
- Tier 1 ratio - above the 10% well-capitalized line
- 61st
- percentile for profitability (ROA), nationally
This grade is PlainBankData's own interpretation of the bank's Call Report, not an FDIC rating, deposits here stay federally insured to $250,000 per depositor, per category, regardless of grade.
How Bank of O'Fallon's 92/100 score adds up
Each factor is scored from this bank's own FDIC Call Report figures, then summed to the composite health score.
Bank of O'Fallon's composite health score
Tier 1 Capital Ratio (22.08%) 40/40
Return on Assets (ROA) (1.26%) 20/25
Texas Ratio (2.45%) 20/20
Efficiency Ratio (56.53%) 12/15
92 of 100 points earned across four weighted factors. See our methodology for the full scoring formula.
Balance sheet at a glance
Total Deposits
$327M
Customer-funded liabilities
Net Loans
$277M
Outstanding loan book
Net Income
$5M
Bottom-line earnings
Capital adequacy vs federal thresholds
Where Bank of O'Fallon ranks
Every one of the 4,307 FDIC-insured banks with a computed health score, bucketed by score. Bank of O'Fallon's score of 92/100 falls in the highlighted band.
Bank of O'Fallon's size among FDIC-insured banks
Every one of the 4,307 FDIC-insured banks with reported assets, bucketed by total-asset scale (note the buckets are powers of 10, most banks cluster in the $100M-$1B range). Bank of O'Fallon's $378M falls in the highlighted band.
Safety metrics
Tier 1 capital ratio
Well-capitalized 10%
22.08% of risk-weighted assets - above the federal "well-capitalized" threshold of 10%.
Tier 1 Capital Ratio
22.08%
Texas Ratio
2.45%
Equity Capital
$50M
Profitability metrics
Return on Assets (ROA)
61st percentile nationally
1.26%
Return on Equity (ROE)
9.44%
Efficiency Ratio
56.53%
What the numbers say about Bank of O'Fallon
Bank of O'Fallon is an FDIC-insured institution (Certificate #18171) headquartered in O'Fallon, Illinois, established in 1960. It holds $378M in total assets - 2,159th of 4,313 FDIC-insured banks, $327M in customer deposits, and $277M in net loans. Capital-wise, the Tier 1 ratio sits at 22.08%, clearing the federal 10% well-capitalized bar; the Texas Ratio reads 2.45%, a healthy figure under the 50% watch level. That combination rolls up into a PlainBankData health grade of A (92 of 100), blending Tier 1 capital, ROA, the Texas Ratio, and efficiency. These figures come directly from the bank's quarterly FDIC Call Report.
Bank of O'Fallon sits 127th of 330 banks headquartered in Illinois by total assets, placing it in the middle tier of the state's banking landscape.
Income & expense breakdown
$19M
Interest Income
$262K
Non-Interest Income
$7M
Non-Interest Expense
Asset quality, Texas Ratio detail
The Texas Ratio compares troubled assets to the capital available to absorb losses. Bank of O'Fallon reports a Texas Ratio of 2.45% - comfortably in the healthy band; non-performing loans are a small fraction of the bank’s loss-absorbing capital.
Texas Ratio
Caution 50%
2.45% - lower is safer; 100% is the level at which troubled assets equal loss-absorbing capital.
Top banks in Illinois by total assets
Source: FDIC BankFind Suite, Call Report (FFIEC 031/041) Bank of O'Fallon (FDIC Cert #18171) - 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 Illinois
All Illinois banks →| Bank | Assets | Grade | ROA |
|---|---|---|---|
| BMO Bank National AssociationChicago | $252.1B | A | 0.95% |
| The Northern Trust CompanyChicago | $176.4B | B | 1.02% |
| CIBC Bank USAChicago | $64.0B | A | 1.47% |
| Busey BankChampaign | $18.1B | A | 0.92% |
| Byline BankChicago | $9.6B | A | 1.47% |
| Wintrust Bank, National AssociationChicago | $9.6B | A | 1.88% |
| Lake Forest Bank & Trust Company, National AssociationLake Forest | $9.4B | A | 2.20% |
| First American BankElk Grove Village | $8.1B | A | 1.72% |
Frequently asked questions
What is Bank of O'Fallon's health grade?▼
Bank of O'Fallon receives a health grade of A (92/100) based on four FDIC financial metrics: Tier 1 Capital Ratio (40%), Return on Assets (25%), Texas Ratio (20%), and Efficiency Ratio (15%). This bank demonstrates excellent financial health with strong capital ratios and profitability.
How large is Bank of O'Fallon?▼
Bank of O'Fallon holds $378M in total assets and $327M in deposits, ranking 2,159th of 4,313 FDIC-insured banks by asset size. It is headquartered in O'Fallon, Illinois.
Is my money safe at Bank of O'Fallon?▼
Yes, deposits at Bank of O'Fallon (Certificate #18171) are FDIC-insured up to $250,000 per depositor, per ownership category, regardless of health grade.
What is Bank of O'Fallon's Tier 1 Capital Ratio?▼
Bank of O'Fallon has a Tier 1 Capital Ratio of 22.08%. That clears the federal 10% bar regulators use to call a bank "well-capitalized."
What is the Texas Ratio for Bank of O'Fallon?▼
Bank of O'Fallon has a Texas Ratio of 2.45%. Staying under 50% is the level analysts treat as healthy. The Texas Ratio measures non-performing loans against equity and reserves, a higher ratio signals greater exposure to loan losses.
How efficient is Bank of O'Fallon?▼
Bank of O'Fallon has an Efficiency Ratio of 56.53%. Under the 60% mark counts as efficient, more of every revenue dollar reaches the bottom line. This metric compares non-interest expenses to total revenue.
What to do with this
How to read Bank of O'Fallon's profile as a depositor or analyst.
- Bank of O'Fallon's grade reflects capital, profitability, and asset quality, read the four pillars before drawing conclusions. How grades work
- Compare Bank of O'Fallon against other Illinois banks before moving funds. Illinois 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.
Every figure on PlainBankData is rendered directly from FDIC federal source data, no number is typed in by an editor. Informational only, not professional advice; consult a qualified professional before acting on it. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Q4 2025.
Disclaimer: Data from the FDIC BankFind Suite. PlainBankData does not rate or rank banks as investment or safety recommendations. Health grades are informational only, computed from public regulatory filings. Always verify current standing directly with FDIC.gov before making financial decisions.