Bank of Ontario
Headquarters: Ontario, Wisconsin
Overview
Bank of Ontario is an FDIC-insured bank headquartered in Ontario, Wisconsin. It reported $80.55M in assets and $68.00M in deposits for the period ending March 31, 2026. Bankular currently lists 3 branch locations.
What Bankular checked
These dates identify the official records and review steps supporting this profile.
Quarterly change
What changed since the previous report
December 31, 2025 to March 31, 2026
These comparisons use consecutive official regulatory reporting periods. A change is descriptive and is not a recommendation or safety rating.
Financial indicators
Capital, profitability and credit quality
These are the latest reported capital, profitability and credit-quality measures available for this institution. Read the figures together rather than as a single safety rating.
Locations
Find a branch of Bank of Ontario
Genoa Branch
700 Main St, Genoa, Wisconsin, 54632
Full-service branch · Opened January 1, 1909
Main Office
315 Main St, Ontario, Wisconsin, 54651
Full-service branch · Opened September 23, 1911
Westby Branch
100 N Main St, Westby, Wisconsin, 54667
Full-service branch · Opened September 22, 2020
Financial overview
Latest reported figures
Through March 31, 2026
Financial trends
How the balance sheet has changed
Compare recent quarters to see the direction of assets, deposits and loans.
| Quarter | Assets | Deposits | Net loans | ROA |
|---|---|---|---|---|
| March 31, 2026 | $80.55M | $68.00M | $64.68M | 0.96% |
| December 31, 2025 | $81.57M | $68.15M | $65.41M | 1.34% |
| September 30, 2025 | $80.29M | $67.07M | $65.06M | 1.28% |
| June 30, 2025 | $81.82M | $68.88M | $64.60M | 1.26% |
| March 31, 2025 | $80.30M | $67.27M | $68.14M | 1.75% |
| December 31, 2024 | $81.79M | $67.90M | $68.96M | 2.54% |
| September 30, 2024 | $83.58M | $68.45M | $68.92M | 2.52% |
| June 30, 2024 | $81.74M | $65.73M | $69.55M | 2.45% |
Size and reach
How this institution compares
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More on Bank of Ontario
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Branch locations
3 listed locations.
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Explore →Sources and methodology
Review the official sources and reporting periods.
Explore →Frequently asked questions
Is Bank of Ontario federally insured?
Yes. Bankular identifies this institution in FDIC records under certificate 21085.
Where is Bank of Ontario headquartered?
Bank of Ontario is headquartered in Ontario, Wisconsin, at 315 Main St, Ontario, Wisconsin, 54651.
How large is Bank of Ontario?
It reported $80.55M in assets and $68.00M in deposits for the period ending March 31, 2026.
How many locations does Bank of Ontario have?
Bankular currently lists 3 branch locations for this institution.
Data sources and methodology
Bankular combines official regulatory records with institution-published product information. The detailed sources are available below for readers who want to verify a figure.