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Banks in Watertown, WI Current FDIC-insured banks headquartered in the Watertown, WI metropolitan area
Data as of Q2 2026 call reports. Banks that no longer file, such as acquired banks, are not listed.
Every FDIC-insured bank with headquarters in the Watertown, WI metro area that still files, with the most recent quarterly call report data: total assets, deposits, capital ratios, asset quality, and profitability. The full metro area covered is Watertown-Fort Atkinson, WI.
The Watertown, WI metro area is home to 6 FDIC-insured banks, holding $3.70B in combined assets and $2.84B in deposits. The largest is Ixonia Bank ($1.08B), about 29% of the group's total banking assets, followed by Bank CMG and Premierbank. Across these banks, the median return on assets is 1.30% and the median CET1 capital ratio is 12.38%.
All banks in Watertown, WI 6 institutions with the latest quarterly call report metrics: capital, profitability, and asset quality.
Ratio shading vs. typical bank ranges:
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Banks in the Watertown, WI metro area, with total assets, ROA, net interest margin, efficiency ratio, CET1, NPL ratio, and Texas ratio. Bank City Assets ROA NIM Eff. CET1 NPL Texas Ixonia Bank Ixonia, WI $1.08B 1.68% -0.47% 86.5% 12.23% 0.25% 2.0% Bank CMG Madison, WI $1.06B 1.06% 4.32% 71.7% 11.87% 0.24% 2.0% Premierbank Fort Atkinson, WI $583.9M 1.14% 3.73% 63.4% 12.54% 0.24% 2.3% Bank of Lake Mills Lake Mills, WI $533.8M 4.37% 6.76% 29.1% 12.81% 0.69% 5.4% Farmers & Merchants State Bank Waterloo, WI $245.6M 1.02% 3.50% 67.4% — 0.00% 0.0% Badger Bank Fort Atkinson, WI $206.0M 1.46% 4.04% 59.8% — 0.07% 0.4%
Definitions: return on assets (ROA) , net interest margin (NIM) , efficiency ratio (Eff.) , CET1 capital ratio , nonperforming loan ratio (NPL) and Texas ratio . A blank or NM value sorts last.
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