Banks in Lewis County, Washington
10 active bank branches operated by 7 institutions, per FDIC records.
Active branches
10
Banks present
7
Deposits (2026)
$858M
Closings since 2020
5
2 openings
Largest banks by deposits in Lewis County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Columbia Bank | $274M | 32% | 1 |
| Timberland Bank | $162M | 18.9% | 3 |
| Wells Fargo | $123M | 14.4% | 1 |
| Chase Bank | $122M | 14.2% | 1 |
| KeyBank | $115M | 13.4% | 2 |
| WaFd Bank | $55M | 6.4% | 1 |
| Olympia Federal Savings and Loan Association | $6M | 0.7% | 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.