Headquartered in Lake Mills, Wisconsin, Bank of Lake Mills is a state-chartered bank with $533.8M in total assets and $432.3M in deposits as of Q2 2026. It operates 2 offices. Its charter dates back to 1893.
Based on its Q2 2026 filing, Bank of Lake Mills scores 74/100, which we describe as strong. That is higher than 57% of 2,650 banks with $100 million – $1 billion. Among 154 banks headquartered in Wisconsin, it ranks 73rd. Its strongest component is earnings (100/100; 2.30%), and its lowest is funding & liquidity (48/100; 106% loans-to-deposits, 20% uninsured).
TellerScore · Q2 2026
Scorecard
The TellerScore is our own summary of the figures this institution reports publicly; it is not issued or endorsed by any government agency. It is not a prediction, and deposits within insurance limits are protected either way.
9 quarters
Health trend
From Q2 2025 to Q2 2026, the score fell 3 points (77 → 74), mostly because the funding & liquidity component weakened by 11 points.
Show as table
| Quarter | TellerScore |
|---|---|
| Q2 2024 | 80 |
| Q3 2024 | 79 |
| Q4 2024 | 76 |
| Q1 2025 | 77 |
| Q2 2025 | 77 |
| Q3 2025 | 76 |
| Q4 2025 | 72 |
| Q1 2026 | 56 |
| Q2 2026 | 74 |
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| Quarter | Tier 1 leverage ratio |
|---|---|
| Q2 2024 | 12.84% |
| Q3 2024 | 12.46% |
| Q4 2024 | 11.31% |
| Q1 2025 | 10.45% |
| Q2 2025 | 11.70% |
| Q3 2025 | 11.95% |
| Q4 2025 | 11.53% |
| Q1 2026 | 10.07% |
| Q2 2026 | 11.24% |
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| Quarter | Noncurrent loans |
|---|---|
| Q2 2024 | 0.03% |
| Q3 2024 | 0.07% |
| Q4 2024 | 0.17% |
| Q1 2025 | 0.16% |
| Q2 2025 | 0.76% |
| Q3 2025 | 0.91% |
| Q4 2025 | 1.05% |
| Q1 2026 | 0.55% |
| Q2 2026 | 0.69% |
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| Quarter | Return on assets |
|---|---|
| Q2 2024 | 1.45% |
| Q3 2024 | 1.41% |
| Q4 2024 | 1.56% |
| Q1 2025 | 3.06% |
| Q2 2025 | 3.02% |
| Q3 2025 | 2.78% |
| Q4 2025 | 2.54% |
| Q1 2026 | 0.08% |
| Q2 2026 | 2.30% |
| Quarter | Score | Assets | Capital | Problem loans | ROA | Loans/deposits |
|---|---|---|---|---|---|---|
| Q2 2026 | 74 | $533.8M | 11.24% | 0.69% | 2.30% | 106.3% |
| Q1 2026 | 56 | $530.1M | 10.07% | 0.55% | 0.08% | 114.3% |
| Q4 2025 | 72 | $489.0M | 11.53% | 1.05% | 2.54% | 102.3% |
| Q3 2025 | 76 | $516.5M | 11.95% | 0.91% | 2.78% | 95.0% |
| Q2 2025 | 77 | $395.1M | 11.70% | 0.76% | 3.02% | 98.0% |
| Q1 2025 | 77 | $493.7M | 10.45% | 0.16% | 3.06% | 114.1% |
| Q4 2024 | 76 | $417.2M | 11.31% | 0.17% | 1.56% | 105.5% |
| Q3 2024 | 79 | $421.5M | 12.46% | 0.07% | 1.41% | 125.3% |
| Q2 2024 | 80 | $335.9M | 12.84% | 0.03% | 1.45% | 107.9% |
2,650 peers · $100 million – $1 billion
How it compares with peers
Percentile against banks of similar size nationwide (100th = best among peers; for ratios where lower is better, the scale is flipped).
Similar-size banks in Wisconsin
| Institution | Score | Assets | Capital | Problem loans | Compare |
|---|---|---|---|---|---|
| First Citizens State BankBank Whitewater, WI | 90 out of 100, Very strong | $525.2M | 18.0% | 0.00% | vs |
| Coulee BankBank La Crosse, WI | 39 out of 100, Low | $524.4M | 9.1% | 2.50% | vs |
| Woodford State BankBank Monroe, WI | 66 out of 100, Moderate | $523.4M | 8.1% | 0.36% | vs |
| Mound City BankBank Platteville, WI | 86 out of 100, Very strong | $550.7M | 13.1% | 0.11% | vs |
| State Bank of ChiltonBank Chilton, WI | 80 out of 100, Strong | $516.5M | 12.7% | 0.58% | vs |
| Premier Community BankBank Marion, WI | 57 out of 100, Moderate | $552.1M | 8.5% | 0.85% | vs |
Deposit insurance
Is my money safe at Bank of Lake Mills?
Yes. Bank of Lake Mills is an FDIC-insured institution (FDIC certificate #8695). Deposits are insured up to $250,000 per depositor, per insured bank, for each account ownership category.
An estimated 20.3% of deposits ($87.6M) are above the $250,000 FDIC insurance limit, below the peer median of 24%. Insured balances are protected regardless of the score.
The tier 1 leverage ratio is 11.24%, well above the 5% level regulators use as the "well capitalized" benchmark for this measure. Its total risk-based capital ratio is 13.29% (benchmark: 10%).
2 locations
Branches
Bank of Lake Mills lists 2 offices in 2 cities. Most locations:
- Lake Mills, WI (1)
- Watertown, WI (1)
Identity & history
Profile
- Legal name
- Bank of Lake Mills
- Type
- State-chartered bank
- FDIC certificate #
- 8695
- RSSD ID
- 477349
- Primary regulator
- FDIC
- Established
- January 1, 1893
- Headquarters
- 136 E Madison St, Lake Mills, WI 53551
- Website
- www.bankoflakemills.com
- Employees
- 39
Quick answers
Bank of Lake Mills: common questions
Is Bank of Lake Mills FDIC insured?
Yes. Bank of Lake Mills is an FDIC-insured institution (FDIC certificate #8695). Deposits are insured up to $250,000 per depositor, per insured bank, for each account ownership category.
What is Bank of Lake Mills's TellerScore?
74 out of 100 (Strong), based on its Q2 2026 publicly reported figures. The TellerScore is our own summary and is not issued by any government agency.
Has Bank of Lake Mills ever failed?
There is no failure record for FDIC certificate #8695 in the FDIC failed bank list.
How many branches does Bank of Lake Mills have?
2 offices as of the latest FDIC data.
Nearby
Highest-scoring banks and credit unions with branches near Lake Mills
| Institution | Score | Assets | Capital | Problem loans | Compare |
|---|---|---|---|---|---|
| Mississippi Public Employees Federal Credit UnionCredit union Jackson, MS | 97 out of 100, Very strong | $29.2M | 18.1% | 0.10% | vs |
| First Citizens State BankBank Whitewater, WI | 90 out of 100, Very strong | $525.2M | 18.0% | 0.00% | vs |
| Hustisford State BankBank Hustisford, WI | 84 out of 100, Strong | $80.3M | 15.2% | 0.22% | vs |
| Badger BankBank Fort Atkinson, WI | 82 out of 100, Strong | $206.0M | 12.4% | 0.07% | vs |
| Capitol BankBank Madison, WI | 79 out of 100, Strong | $565.3M | 12.4% | 0.02% | vs |
| County - City Credit UnionCredit union Jefferson, WI | 78 out of 100, Strong | $43.6M | 11.3% | 0.41% | vs |