Bank of Lake Mills
Headquarters: Lake Mills, Wisconsin
Overview
Bank of Lake Mills is an FDIC-insured bank headquartered in Lake Mills, Wisconsin. It reported $533.75M in assets and $432.28M in deposits for the period ending June 30, 2026. Bankular currently lists 2 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
March 31, 2026 to June 30, 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 Lake Mills
Main Office
136 E Madison St, Lake Mills, Wisconsin, 53551
Full-service branch · Opened January 1, 1893
Watertown Branch
400 Bernard St, Watertown, Wisconsin, 53094
Full-service branch · Opened March 15, 2010
Financial overview
Latest reported figures
Through June 30, 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 |
|---|---|---|---|---|
| June 30, 2026 | $533.75M | $432.28M | $459.57M | 2.30% |
| March 31, 2026 | $530.09M | $401.02M | $458.22M | 0.08% |
| December 31, 2025 | $489.02M | $407.50M | $416.82M | 2.54% |
| September 30, 2025 | $516.51M | $440.94M | $418.99M | 2.78% |
| June 30, 2025 | $395.07M | $325.98M | $319.56M | 3.02% |
| March 31, 2025 | $493.69M | $370.62M | $422.80M | 3.06% |
| December 31, 2024 | $417.23M | $329.10M | $347.14M | 1.56% |
| September 30, 2024 | $421.54M | $283.60M | $355.45M | 1.41% |
Size and reach
How this institution compares
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More on Bank of Lake Mills
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Branch locations
2 listed locations.
Explore →Compare this institution
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Explore →State banking market
Explore institutions and deposit-market context in Wisconsin.
Explore →Lake Mills banking market
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Explore →Sources and methodology
Review the official sources and reporting periods.
Explore →Frequently asked questions
Is Bank of Lake Mills federally insured?
Yes. Bankular identifies this institution in FDIC records under certificate 8695.
Where is Bank of Lake Mills headquartered?
Bank of Lake Mills is headquartered in Lake Mills, Wisconsin, at 136 E Madison St, Lake Mills, Wisconsin, 53551.
How large is Bank of Lake Mills?
It reported $533.75M in assets and $432.28M in deposits for the period ending June 30, 2026.
How many locations does Bank of Lake Mills have?
Bankular currently lists 2 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.