Banks in Washington County, Oklahoma
16 active bank branches operated by 10 institutions, per FDIC records.
Active branches
16
Banks present
10
Deposits (2026)
$1.0B
Closings since 2020
1
1 openings
Largest banks by deposits in Washington County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Arvest Bank | $623M | 60.3% | 6 |
| BancFirst | $134M | 13% | 2 |
| Gateway First Bank | $70M | 6.7% | 1 |
| BOKF | $61M | 5.9% | 1 |
| Armstrong Bank | $49M | 4.7% | 1 |
| American Heritage Bank | $30M | 2.9% | 1 |
| RCB Bank | $25M | 2.4% | 1 |
| Union State Bank | $24M | 2.3% | 1 |
| Stride Bank | $16M | 1.6% | 1 |
| The City National Bank and Trust Company of Lawton, Oklahoma | $2M | 0.2% | 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.