Bank · FDIC insured
Bank of Lake Mills
A $533.8M bank headquartered in Lake Mills, WI, with 2 branches in Wisconsin. Best rates: CDs 4.50% and savings 0.30% APY.
Bank of Lake Mills Carrot Score
79
Carrot Score
Higher than 48% of U.S. banks and credit unions
#4 of 14 in Watertown, WI metroHow the score works →
Deposits are federally insured by the FDIC up to $250,000 per depositor.
About Bank of Lake Mills
Bank of Lake Mills is a community bank organized in 1893 and headquartered in Lake Mills, Wisconsin.
The bank moved to its current Lake Mills location in 1978 and expanded with a full-service branch in Watertown in 2010.
- Headquarters
- 136 E Madison St, Lake Mills, WI 53551
- FDIC certificate
- 8695 ↗
Branches
2 branches in Wisconsin
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Wisconsin
2 branches
- Bank of Lake MillsMain office136 E Madison St, Lake Mills, WI 53551Directions
- Watertown Branch400 Bernard St, Watertown, WI 53094Directions
Walk-in offices from the FDIC directory as of September 4, 2026. Directions open Google Maps. A nearby branch doesn’t mean you can join or open an account.
Financial details
| Measure | This bank | Peers’ middle | Strongest quarter |
|---|---|---|---|
| CapitalLeverage ratio | 11.24% | 10.98% | 13.00% or more |
| Troubled loansNoncurrent | 0.69% | 0.42% | 0.09% or less |
| ProfitabilityReturn on assets | 2.30% | 1.24% | 1.68% or more |
| LendingLoans per $100 deposited | $107 | $81 | — |
- CapitalLeverage ratio11.24%Peers’ middle 10.98% · Top 25% 13.00%+
- Troubled loansNoncurrent0.69%Peers’ middle 0.42% · Top 25% ≤0.09%
- ProfitabilityReturn on assets2.30%Peers’ middle 1.24% · Top 25% 1.68%+
- LendingLoans per $100 deposited$107Peers’ middle $81
Compared with the 2,650 banks with $100 million to $1 billion in assets. The strongest quarter is what the best 25% of them reach: more capital and profit, fewer troubled loans. Lending has no better end.Troubled loans are noncurrent: 90 or more days late, or no longer earning interest.
Regulators’ own ratings of Bank of Lake Mills are confidential. These figures are what it reports to the FDIC each quarter, set beside its peers; they aren’t a rating.