Banks in Winnebago County, Wisconsin
30 active bank branches operated by 17 institutions, per FDIC records.
Active branches
30
Banks present
17
Deposits (2026)
$2.6B
Closings since 2020
6
3 openings
Largest banks by deposits in Winnebago County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Nicolet National Bank | $513M | 19.4% | 3 |
| Associated Bank | $512M | 19.4% | 5 |
| West Pointe Bank | $260M | 9.9% | 1 |
| Chase Bank | $230M | 8.7% | 2 |
| U.S. Bank | $228M | 8.6% | 2 |
| BMO Bank | $193M | 7.3% | 3 |
| Old National Bank | $142M | 5.4% | 2 |
| Bank First | $118M | 4.5% | 1 |
| Fortifi Bank | $99M | 3.7% | 3 |
| First Business Bank | $95M | 3.6% | 1 |
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.