Banks in Thurston County, Washington
48 active bank branches operated by 15 institutions, per FDIC records.
Active branches
48
Banks present
15
Deposits (2026)
$5.3B
Closings since 2020
8
3 openings
Largest banks by deposits in Thurston County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Heritage Bank | $700M | 13.1% | 4 |
| Olympia Federal Savings and Loan Association | $652M | 12.2% | 7 |
| Bank of America | $622M | 11.7% | 3 |
| Timberland Bank | $572M | 10.7% | 6 |
| Wells Fargo | $515M | 9.6% | 3 |
| Chase Bank | $504M | 9.4% | 4 |
| KeyBank | $426M | 8% | 6 |
| Columbia Bank | $423M | 7.9% | 5 |
| U.S. Bank | $320M | 6% | 2 |
| Commencement Bank | $200M | 3.7% | 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.