Banks in Delaware County, Oklahoma
11 active bank branches operated by 8 institutions, per FDIC records.
Active branches
11
Banks present
8
Deposits (2026)
$876M
Closings since 2020
1
1 openings
Largest banks by deposits in Delaware County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Grand Savings Bank | $340M | 38.8% | 2 |
| Bank of Grand Lake | $190M | 21.8% | 1 |
| Arvest Bank | $164M | 18.7% | 3 |
| BancFirst | $79M | 9% | 1 |
| BOKF | $55M | 6.3% | 1 |
| Local Bank | $23M | 2.6% | 1 |
| Carson Community Bank | $13M | 1.5% | 1 |
| RCB Bank | $11M | 1.2% | 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.