Banks in Spink County, South Dakota
7 active bank branches operated by 6 institutions, per FDIC records.
Active branches
7
Banks present
6
Deposits (2026)
$262M
Closings since 2020
1
0 openings
Largest banks by deposits in Spink County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Heartland State Bank | $90M | 34.2% | 2 |
| American Bank & Trust | $48M | 18.3% | 1 |
| The Farmers State Bank of Turton | $35M | 13.3% | 1 |
| First Interstate Bank | $34M | 13% | 1 |
| BMO Bank | $30M | 11.4% | 1 |
| Plains Commerce Bank | $25M | 9.7% | 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.