Banks in Turner County, South Dakota
8 active bank branches operated by 5 institutions, per FDIC records.
Active branches
8
Banks present
5
Deposits (2025)
$332M
Closings since 2020
0
1 openings
Largest banks by deposits in Turner County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Rivers Edge Bank | $111M | 33.5% | 2 |
| Security Bank Midwest | $95M | 28.6% | 2 |
| Merchants State Bank | $76M | 23% | 2 |
| One American Bank | $34M | 10.3% | 1 |
| First Savings Bank | $15M | 4.6% | 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.