Banks in Yankton County, South Dakota
10 active bank branches operated by 7 institutions, per FDIC records.
Active branches
10
Banks present
7
Deposits (2025)
$1.3B
Closings since 2020
0
1 openings
Largest banks by deposits in Yankton County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| First Dakota National Bank | $781M | 59.1% | 2 |
| First National Bank of Omaha | $223M | 16.9% | 1 |
| CorTrust Bank | $101M | 7.6% | 3 |
| Elkhorn Valley Bank & Trust | $91M | 6.9% | 1 |
| Wells Fargo | $85M | 6.4% | 1 |
| First Interstate Bank | $31M | 2.3% | 1 |
| Farmers and Merchants State Bank, Bloomfield, Nebraska | $10M | 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.