Banks in Green Lake County, Wisconsin
12 active bank branches operated by 6 institutions, per FDIC records.
Active branches
12
Banks present
6
Deposits (2026)
$1.5B
Closings since 2020
2
1 openings
Largest banks by deposits in Green Lake County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| The Farmers & Merchants Bank | $785M | 53.6% | 2 |
| Fortifi Bank | $327M | 22.4% | 3 |
| Horicon Bank | $139M | 9.5% | 2 |
| U.S. Bank | $83M | 5.7% | 1 |
| Ergo Bank | $74M | 5% | 1 |
| National Exchange Bank and Trust | $57M | 3.9% | 3 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.