Banks in Dewey County, Oklahoma
7 active bank branches operated by 7 institutions, per FDIC records.
Active branches
7
Banks present
7
Deposits (2026)
$351M
Closings since 2020
0
1 openings
Largest banks by deposits in Dewey County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| THE SEILING STATE BANK | $158M | 44.9% | 1 |
| Great Plains National Bank | $59M | 16.7% | 1 |
| The Bank of the West | $39M | 11% | 1 |
| Bank 7 | $33M | 9.5% | 1 |
| Bank of Western Oklahoma | $29M | 8.3% | 1 |
| Bank of Vici | $27M | 7.6% | 1 |
| Community State Bank of Canton | $7M | 1.9% | 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.