Banks in Harper County, Oklahoma
2 active bank branches operated by 2 institutions, per FDIC records.
Active branches
2
Banks present
2
Deposits (2026)
$109M
Closings since 2020
0
0 openings
Largest banks by deposits in Harper County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Security State Bank | $70M | 64.5% | 1 |
| Oklahoma State Bank | $39M | 35.5% | 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.