Banks in Bon Homme County, South Dakota
5 active bank branches operated by 5 institutions, per FDIC records.
Active branches
5
Banks present
5
Deposits (2026)
$237M
Closings since 2020
0
0 openings
Largest banks by deposits in Bon Homme County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Security Bank Midwest | $93M | 39.2% | 1 |
| Community Bank | $60M | 25.4% | 1 |
| The Farmers and Merchants State Bank | $32M | 13.6% | 1 |
| CorTrust Bank | $31M | 13.1% | 1 |
| First Savings Bank | $21M | 8.8% | 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.