Bank of Ontario
Ontario, WI · State, non-member commercial bank
Sonar Score
Stable
out of 100 · from public FDIC data
Reported June 30, 2026. The Sonar Score is an informational signal from public FDIC data — not a rating or financial advice.
Key figures
- Total assets
- $79M
- Total deposits
- $67.4M
- Branches
- 3
- Return on assets
- 1.16%
- Return on equity
- 8.50%
- Charter type
- State, non-member commercial bank
- Established
- 1911
- FDIC cert #
- 21085
How the 74 breaks down
Well-capitalized by regulatory thresholds.
Strong returns on its asset base.
Positive but moderate equity returns.
Community-scale institution.
Your deposits at Bank of Ontario
Bank of Ontario is an FDIC-insured institution (Cert #21085). Deposits are insured up to $250,000 per depositor, per ownership category, by the full faith and credit of the US government. Learn how to maximize your coverage →
3 branch locations
315 Main St
Ontario, WI 54651
100 N Main St
Westby, WI 54667
700 Main St
Genoa, WI 54632
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