Ergo Bank
✓ FDIC-insured · Active FDIC Certificate #10004
Ergo Bank is an FDIC-insured state-chartered bank that is not a Federal Reserve member (supervised by the FDIC), headquartered in Markesan, Wisconsin, established in 1910. As of the 06/30/2026 FDIC call report, it reported $277M in total assets and $226M in deposits. FDIC location data lists 6 offices in Wisconsin. The FDIC classifies it as a community bank. It is owned by the holding company FS BANCSHARES INC (Markesan, WI).
Financial data as of the 06/30/2026 FDIC call report.
Where it operates
All 6 of Ergo Bank's FDIC-listed offices are in Wisconsin. Browse banks in Markesan for other local options.
Branch locations
| Ergo Bank Wilton Branch · Full Service - Brick And Mortar | 406 Main Street Wilton, WI 54670 Map ↗ |
| Ergo Bank Ergo Bank · Full Service - Brick And Mortar | 730 N Margaret St Markesan, WI 53946 Map ↗ |
| Ergo Bank Lomira Branch · Full Service - Brick And Mortar | 250 Main Street Lomira, WI 53048 Map ↗ |
| Ergo Bank 314 West State Street Branch · Full Service - Brick And Mortar | 314 West State Street Fox Lake, WI 53933 Map ↗ |
| Ergo Bank Kendall Branch · Full Service - Brick And Mortar | 102 E South Railroad St Kendall, WI 54638 Map ↗ |
| Ergo Bank Norwalk Branch · Full Service - Brick And Mortar | 108 Main St Norwalk, WI 54648 Map ↗ |
Holding company: FS BANCSHARES INC
The FDIC lists FS BANCSHARES INC, based in Markesan, WI, as the top holding company for Ergo Bank. The FDIC shows no other active insured banks under the same holding company.
Similar-size banks in Wisconsin
Active FDIC-insured banks headquartered in Wisconsin with total assets closest to Ergo Bank's $277M. See all banks in Wisconsin.
| Bank | HQ city | Assets | Offices |
|---|---|---|---|
| West Pointe Bank | Oshkosh | $369M | 1 |
| The First National Bank of Bangor | Bangor | $364M | 5 |
| Shell Lake State Bank | Shell Lake | $362M | 5 |
| Sterling Bank | Barron | $352M | 4 |
| Waumandee State Bank | Waumandee | $345M | 8 |
| First National Community Bank | New Richmond | $345M | 5 |
| Citizens First Bank | Viroqua | $344M | 6 |
| Cumberland Federal Bank, FSB | Cumberland | $342M | 2 |
Ergo Bank: common questions
Is Ergo Bank FDIC-insured?
Yes. Ergo Bank is an active FDIC-insured institution, FDIC Certificate #10004. Deposits are insured up to $250,000 per depositor, per ownership category. You can confirm this on FDIC BankFind.
Where is Ergo Bank headquartered?
Ergo Bank is headquartered at 730 N Margaret St, Markesan, WI 53946, according to FDIC records.
How many branches does Ergo Bank have?
FDIC location data lists 6 offices for Ergo Bank, all in Wisconsin.
Who owns Ergo Bank?
The FDIC lists FS BANCSHARES INC of Markesan, WI as the top holding company for Ergo Bank.
Source: FDIC BankFind Suite (institution, location, and call report data). BankNearMe.com does not rank or rate banks.