Custer, South Dakota
Banks & credit unions in Custer
5 federally insured institutions operate a branch in Custer, South Dakota, across 2 locations.
Each institution’s branch count below is for Custer only. Select one to see its branches in this town.
| # | Institution | Type | Branches in Custer | Total assets |
|---|---|---|---|---|
| 1 | First Interstate Bank | Bank | 1 | $26.36B |
| 2 | Dacotah Bank | Bank | 1 | $4.87B |
| 3 | Black Hills | Credit union | 1 | $2.37B |
| 4 | Highmark | Credit union | 1 | $260.1M |
| 5 | Sentinel | Credit union | 1 | $197M |
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026