Banks in Colusa County, California
6 active bank branches operated by 5 institutions, per FDIC records.
Active branches
6
Banks present
5
Deposits (2025)
$602M
Closings since 2020
1
0 openings
Largest banks by deposits in Colusa County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Tri Counties Bank | $187M | 31.1% | 1 |
| Columbia Bank | $166M | 27.6% | 2 |
| U.S. Bank | $115M | 19.2% | 1 |
| Wells Fargo | $106M | 17.6% | 1 |
| First Northern Bank of Dixon | $27M | 4.5% | 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.