Banks in Johnston County, Oklahoma
4 active bank branches operated by 4 institutions, per FDIC records.
Active branches
4
Banks present
4
Deposits (2026)
$179M
Closings since 2020
0
2 openings
Largest banks by deposits in Johnston County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| First United Bank and Trust Company | $67M | 37.5% | 1 |
| Ameristate Bank | $43M | 23.7% | 1 |
| Simmons Bank | $38M | 21% | 1 |
| BancFirst | $32M | 17.8% | 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.