Ergo Bank
Markesan, WI · State, non-member commercial bank
Sonar Score
Caution
out of 100 · from public FDIC data
Reported March 31, 2026. The Sonar Score is an informational signal from public FDIC data — not a rating or financial advice.
Key figures
- Total assets
- $263.1M
- Total deposits
- $221.7M
- Branches
- 6
- Return on assets
- 0.36%
- Return on equity
- 3.71%
- Charter type
- State, non-member commercial bank
- Established
- 1910
- FDIC cert #
- 10004
How the 42 breaks down
Capital ratio not reported.
Thin profitability.
Positive but moderate equity returns.
Community-scale institution.
Your deposits at Ergo Bank
Ergo Bank is an FDIC-insured institution (Cert #10004). Deposits are insured up to $250,000 per depositor, per ownership category, by the full faith and credit of the US government. Learn how to maximize your coverage →
6 branch locations
406 Main Street
Wilton, WI 54670
730 N Margaret St
Markesan, WI 53946
250 Main Street
Lomira, WI 53048
314 West State Street
Fox Lake, WI 53933
102 E South Railroad St
Kendall, WI 54638
108 Main St
Norwalk, WI 54648
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