Banks in Thurston County, Washington
48 active bank branches operated by 15 institutions, per FDIC records.
Active branches
48
Banks present
15
Deposits (2025)
$5.2B
Closings since 2020
8
3 openings
Largest banks by deposits in Thurston County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Heritage Bank | $785M | 15.2% | 4 |
| Olympia Federal Savings and Loan Association | $670M | 12.9% | 7 |
| Bank of America | $642M | 12.4% | 3 |
| Timberland Bank | $519M | 10% | 6 |
| Chase Bank | $479M | 9.3% | 4 |
| KeyBank | $432M | 8.3% | 6 |
| Columbia Bank | $408M | 7.9% | 5 |
| Wells Fargo | $361M | 7% | 3 |
| U.S. Bank | $256M | 4.9% | 2 |
| Commencement Bank | $174M | 3.4% | 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.