Best CD Rates at South Dakota Credit Unions
25 current offers from 14 credit unions. Updated May 24, 2026.
Search by ZIP for nearest branch →| APY | Credit union | Term | Location | Source |
|---|---|---|---|---|
| 4.00% | Sentinel | 6 mo | Ellsworth Afb, SD | Site ↗ |
| 4.00% | Lakota | 1 yr | Kyle, SD | Site ↗ |
| 4.00% | Lakota | 5 yr | Kyle, SD | Site ↗ |
| 3.90% | Healthcare Plus | Open | Aberdeen, SD | Site ↗ |
| 3.90% | Northern Hills | 3 mo | Sturgis, SD | Site ↗ |
| 3.90% | Aspen | 6 mo | Rapid City, SD | Site ↗ |
| 3.90% | Northern Hills | 6 mo | Sturgis, SD | Site ↗ |
| 3.90% | Northern Hills | 1 yr | Sturgis, SD | Site ↗ |
| 3.90% | Healthcare Plus | 1 yr | Aberdeen, SD | Site ↗ |
| 3.90% | Northern Hills | 2 yr | Sturgis, SD | Site ↗ |
| 3.90% | Northern Hills | 3 yr | Sturgis, SD | Site ↗ |
| 3.90% | Northern Hills | 4 yr | Sturgis, SD | Site ↗ |
| 3.90% | Northern Hills | 5 yr | Sturgis, SD | Site ↗ |
| 3.85% | Aspen | 9 mo | Rapid City, SD | Site ↗ |
| 3.80% | Sioux Valley Coop | 3 yr | Watertown, SD | Site ↗ |
| 3.79% | Area | 6 mo | Aberdeen, SD | Site ↗ |
| 3.79% | M O | 1 yr | Huron, SD | Site ↗ |
| 3.75% | Northern Hills | 3 mo | Sturgis, SD | Site ↗ |
| 3.75% | Sentinel | 6 mo | Ellsworth Afb, SD | Site ↗ |
| 3.75% | Northern Hills | 6 mo | Sturgis, SD | Site ↗ |
| 3.75% | Dakotaland | 11 mo | Huron, SD | Site ↗ |
| 3.75% | Northern Hills | 1 yr | Sturgis, SD | Site ↗ |
| 3.75% | Sentinel | 1 yr | Ellsworth Afb, SD | Site ↗ |
| 3.75% | Northern Hills | 2 yr | Sturgis, SD | Site ↗ |
| 3.75% | Northern Hills | 3 yr | Sturgis, SD | Site ↗ |