Banks in Seminole County, Oklahoma
10 active bank branches operated by 6 institutions, per FDIC records.
Active branches
10
Banks present
6
Deposits (2026)
$548M
Closings since 2020
0
0 openings
Largest banks by deposits in Seminole County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Security State Bank of Oklahoma | $194M | 35.3% | 2 |
| BancFirst | $141M | 25.7% | 3 |
| First United Bank and Trust Company | $136M | 24.7% | 2 |
| Patrons Bank | $34M | 6.1% | 1 |
| Sooner State Bank | $27M | 5% | 1 |
| BMO Bank | $17M | 3.1% | 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.