Eureka, South Dakota
Banks & credit unions in Eureka
2 federally insured institutions operate a branch in Eureka, South Dakota, across 2 locations.
Each institution’s branch count below is for Eureka only. Select one to see its branches in this town.
| # | Institution | Type | Branches in Eureka | Total assets |
|---|---|---|---|---|
| 1 | First State Bank of Roscoe | Bank | 1 | $152.3M |
| 2 | Great Plains Bank | Bank | 1 | $151.3M |
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026