FDIC Cert #15565 · Marion, Illinois · Est. 1937

First Southern Bank - FDIC Bank Health Profile

A community-scale look at First Southern Bank's own numbers, pulled straight from its quarterly FDIC Call Report.

$1.0B
Total assets
A
Health grade · Excellent
1.51%
Return on assets
10.7%
Tier 1 capital

Data updated July 2026

The verdict

First Southern Bank earns a PlainBankData health grade of A (88/100), with well-capitalized at 10.71% Tier 1, profitable at 1.51% ROA, efficient (49% cost ratio).

#1,006
largest of 4,313 FDIC banks by assets
77th
percentile by asset size, nationally
10.71%
Tier 1 ratio - above the 10% well-capitalized line
75th
percentile for profitability (ROA), nationally

The grade above reflects PlainBankData's own read of the bank's regulatory filings, not an FDIC judgment, deposit coverage stays at $250,000 per depositor, per category, unaffected by it.

How First Southern Bank's 88/100 score adds up

Each factor is scored from this bank's own FDIC Call Report figures, then summed to the composite health score.

First Southern Bank's composite health score

0/100100/100National avg77/10088/100
First Southern Bank's composite health score
Tier 1 Capital Ratio (10.71%) 28/40
Return on Assets (ROA) (1.51%) 25/25
Texas Ratio (4.53%) 20/20
Efficiency Ratio (49.33%) 15/15

88 of 100 points earned across four weighted factors. See our methodology for the full scoring formula.

Balance sheet at a glance

Total Assets

$1.0B

Total balance-sheet footings

Total Deposits

$899M

Customer-funded liabilities

Net Loans

$667M

Outstanding loan book

Net Income

$16M

Bottom-line earnings

Capital adequacy vs federal thresholds

0% 2% 4% 6% 8% 10% 12% 14% CET1 (≥6.5% req.) Tier 1 (≥8.0% req.) Total (≥10.0% req.) 9.31% 10.71% 12.11%
Basel III capital ratios - First Southern Bank

Where First Southern Bank ranks

Every one of the 4,307 FDIC-insured banks with a computed health score, bucketed by score. First Southern Bank's score of 88/100 falls in the highlighted band.

First Southern Bank'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). First Southern Bank's $1.0B falls in the highlighted band.

Safety metrics

Tier 1 capital ratio
Well-capitalized 10%

10.71% of risk-weighted assets - above the federal "well-capitalized" threshold of 10%.

Tier 1 Capital Ratio
10.71%
Texas Ratio
4.53%
Equity Capital
$115M

What these ratios mean →

Profitability metrics

Return on Assets (ROA)
75th percentile nationally
1.51%
Return on Equity (ROE)
14.84%
Efficiency Ratio
49.33%

What these mean →

What the numbers say about First Southern Bank

First Southern Bank is an FDIC-insured institution (Certificate #15565) headquartered in Marion, Illinois, established in 1937. It holds $1.0B in total assets - 1,006th of 4,313 FDIC-insured banks, $899M in customer deposits, and $667M in net loans. Its capital position: a Tier 1 ratio of 10.71%, meeting the 10% federal well-capitalized bar, alongside a Texas Ratio of 4.53% that is well inside the healthy sub-50% band. That combination rolls up into a PlainBankData health grade of A (88 of 100), blending Tier 1 capital, ROA, the Texas Ratio, and efficiency. These figures come directly from the bank's quarterly FDIC Call Report.

First Southern Bank sits 52nd of 330 banks headquartered in Illinois by total assets, placing it in the middle tier of the state's banking landscape.

Income & expense breakdown

$50M
Interest Income
$4M
Non-Interest Income
$21M
Non-Interest Expense

Asset quality, Texas Ratio detail

The Texas Ratio compares troubled assets to the capital available to absorb losses. First Southern Bank reports a Texas Ratio of 4.53% - comfortably in the healthy band; non-performing loans are a small fraction of the bank’s loss-absorbing capital.

Texas Ratio
Caution 50%

4.53% - lower is safer; 100% is the level at which troubled assets equal loss-absorbing capital.

FDIC Failed Bank List → View First Southern Bank on FDIC BankFind →

Top banks in Illinois by total assets

Largest banks headquartered in Illinois
  1. 1
    BMO Bank $252.1B

    Chicago, IL · Grade A

  2. 2

    Chicago, IL · Grade B

  3. 3
    CIBC Bank USA $64.0B

    Chicago, IL · Grade A

  4. 4
    Busey Bank $18.1B

    Champaign, IL · Grade A

  5. 5
    Byline Bank $9.6B

    Chicago, IL · Grade A

Top 5 banks in Illinois ranked by total assets · FDIC Call Report Q4 2025.

Source: FDIC BankFind Suite, Call Report (FFIEC 031/041) First Southern Bank (FDIC Cert #15565) - 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 →
BankAssetsGradeROA
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 First Southern Bank's health grade?
First Southern Bank receives a health grade of A (88/100) 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 First Southern Bank?
First Southern Bank holds $1.0B in total assets and $899M in deposits, ranking 1,006th of 4,313 FDIC-insured banks by asset size. It is headquartered in Marion, Illinois.
Is my money safe at First Southern Bank?
Yes, deposits at First Southern Bank (Certificate #15565) are FDIC-insured up to $250,000 per depositor, per ownership category, regardless of health grade.
What is First Southern Bank's Tier 1 Capital Ratio?
First Southern Bank has a Tier 1 Capital Ratio of 10.71%. That clears the federal 10% bar regulators use to call a bank "well-capitalized."
What is the Texas Ratio for First Southern Bank?
First Southern Bank has a Texas Ratio of 4.53%. 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 First Southern Bank?
First Southern Bank has an Efficiency Ratio of 49.33%. 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 First Southern Bank's profile as a depositor or analyst.

  • First Southern Bank's grade reflects capital, profitability, and asset quality, read the four pillars before drawing conclusions. How grades work
  • Compare First Southern Bank 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.