Banks in Washington County, Wisconsin
37 active bank branches operated by 13 institutions, per FDIC records.
Active branches
37
Banks present
13
Deposits (2026)
$3.7B
Closings since 2020
6
6 openings
Largest banks by deposits in Washington County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| BMO Bank | $661M | 17.7% | 5 |
| Westbury Bank | $521M | 13.9% | 7 |
| Associated Bank | $443M | 11.9% | 3 |
| Bank Five Nine | $403M | 10.8% | 4 |
| FORTE BANK | $336M | 9% | 4 |
| Chase Bank | $329M | 8.8% | 3 |
| U.S. Bank | $303M | 8.1% | 3 |
| State Bank of Newburg | $260M | 7% | 2 |
| Horicon Bank | $136M | 3.6% | 1 |
| WaterStone Bank | $123M | 3.3% | 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.