Banks in Potter County, South Dakota
3 active bank branches operated by 3 institutions, per FDIC records.
Active branches
3
Banks present
3
Deposits (2026)
$207M
Closings since 2020
0
0 openings
Largest banks by deposits in Potter County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Plains Commerce Bank | $124M | 60.2% | 1 |
| First Interstate Bank | $52M | 24.9% | 1 |
| BMO Bank | $31M | 14.9% | 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.