Banks in Carter County, Oklahoma
23 active bank branches operated by 8 institutions, per FDIC records.
Active branches
23
Banks present
8
Deposits (2026)
$1.6B
Closings since 2020
0
0 openings
Largest banks by deposits in Carter County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| American Nation Bank | $379M | 23.4% | 5 |
| First National Bank and Trust Company of Ardmore | $351M | 21.7% | 5 |
| BancFirst | $341M | 21% | 3 |
| Citizens Bank and Trust Company of Ardmore | $269M | 16.6% | 4 |
| First Bank & Trust Co. | $215M | 13.3% | 3 |
| Simmons Bank | $33M | 2% | 1 |
| BMO Bank | $19M | 1.2% | 1 |
| International Bank of Commerce | $12M | 0.7% | 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.