FDIC-insured bank

Bank of Lake Mills

Bank headquartered in Lake Mills, Wisconsin.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Total assets
$533.75 million
Total deposits
$432.28 million
Branches
2
FDIC-insured since
1934
Established
1893

Headquarters and contact

Address136 E Madison St
Lake Mills, WI 53551
CountyJefferson
Metro areaWatertown-Fort Atkinson, WI
Websitewww.bankoflakemills.com
Phonenot published in FDIC data, see the bank's website

FDIC record

FDIC Certificate8695
Federal Reserve RSSD ID477349
StatusActive
Charter classNM (STATE)
Domestic offices2
Financials as ofJune 30, 2026

Routing number

FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.bankoflakemills.com.
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Offices nearest to headquarters

Bank Of Lake Mills main office
Lake Mills, WI
136 E Madison St, 53551
Watertown Branch
Watertown, WI
400 Bernard St, 53094

Where Bank of Lake Mills has offices