Financial-condition comparison

Citizens State Bank vs Oak Bank

This comparison uses public regulatory filings and TFS methodology. It evaluates financial condition—not checking rates, account fees, service quality, or which institution is universally “best.”

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Bank

Citizens State Bank

Hudson, WI

B

Health score

80.3

Total assets

$488.2M

View full profileData through 2026-Q2

Bank

Oak Bank

Fitchburg, WI

A

Health score

88.7

Total assets

$486.3M

View full profileData through 2026-Q2

Answer first

Different strengths, no blanket winner

Citizens State Bank leads on growth; Oak Bank leads on financial health and capitalization and profitability and lending quality. Those category leads describe current regulatory metrics only and do not establish a universal product or service winner.

Capital and asset-quality definitions are directly comparable for this pair.

Category leaders

Where each institution leads

Financial health

Oak Bank

Higher TFS health score

Capitalization

Oak Bank

Higher comparable capital ratio

Profitability

Oak Bank

Higher return on assets

Lending quality

Oak Bank

Lower problem-loan measure

Growth

Citizens State Bank

Higher year-over-year asset growth

Same-source detail

Financial metrics

Winner markers appear only where the metric definitions are comparable and both values are available.

MetricCitizens State BankOak Bank
TFS health score80.3/10088.7/100Leads
Total assets$488.2M$486.3M
Total deposits / shares$410.5M$419.6M
Tier 1 capital ratio10.02%12.28%Leads
Return on assets1.21%1.28%Leads
Return on equity12.73%Leads11.80%
Non-performing loans0.43%0.04%Leads
Net charge-offs0.02%-0.00%Leads
Efficiency ratio58.15%56.73%Leads
Loan-to-deposit ratio96.42%89.32%
Asset growth (YoY)5.37%Leads2.85%
Deposit / share growth (YoY)3.16%Leads2.25%
Branches51
Published CFPB complaints per $1B deposits (12 months)verified mappings only——

Branch and market overlap

Citizens State Bank

5 branches

Oak Bank

1 branches

Both institutions report branches in 1 state: WI.

CFPB complaint coverage

Citizens State Bank

Unavailable

Oak Bank

Unavailable

Counts use an explicitly reviewed CFPB-company-to-regulatory-ID mapping and the same complete 12-month window. Parent-company attribution can include complaints involving affiliates. Lower complaint volume is context—not proof of better service or less consumer harm.

Regulatory-action context

Citizens State Bank

0 in TFS registry

Oak Bank

0 in TFS registry

Institution-level actions come from TFS's exact regulatory-ID registry and are shown as factual context only. They do not affect category winners or the TFS Financial Health Grade. A zero means no action is currently published in this curated registry—not proof that none exists.

Quarterly history

Health and profitability trend

QuarterCitizens State Bank scoreCitizens State Bank ROAOak Bank scoreOak Bank ROA
2024-Q3—0.84%—1.04%
2024-Q4—0.92%—0.98%
2025-Q1—0.91%—1.07%
2025-Q2—0.95%—1.14%
2025-Q3—1.03%—1.17%
2025-Q4—1.06%—1.11%
2026-Q179.6/1001.22%88.3/1001.26%
2026-Q280.3/1001.21%88.7/1001.28%

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Citizens State Bank
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Coverage boundaries

What this does not conclude

  • • No product-rate, fee, or customer-service winner without product data.
  • • Complaint comparisons appear only when both institutions have reviewed mappings and the same complete source window.
  • • Regulatory actions are displayed separately and are not included in category scoring.

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Financial data comes from FDIC BankFind Suite or NCUA Call Reports as labeled. TFS Health Grades are an editorial assessment, not an official government rating or financial advice. Every valid pair is viewable; pairs enter search automatically only when current data, comparability, and visitor interest meet the publication rules.