Best Savings 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 |
|---|---|---|---|---|
| 5.75% | Aspen | Open | Rapid City, SD | Site ↗ |
| 3.00% | Highmark | Open | Rapid City, SD | Site ↗ |
| 3.00% | Aspen | Open | Rapid City, SD | Site ↗ |
| 3.00% | Dakotaland | Open | Huron, SD | Site ↗ |
| 3.00% | East River | 5 yr | Madison, SD | Site ↗ |
| 2.99% | Highmark | Open | Rapid City, SD | Site ↗ |
| 2.96% | Dakotaland | Open | Huron, SD | Site ↗ |
| 2.85% | Sioux Valley Coop | Open | Watertown, SD | Site ↗ |
| 2.75% | Healthcare Plus | Open | Aberdeen, SD | Site ↗ |
| 2.50% | Highmark | Open | Rapid City, SD | Site ↗ |
| 2.50% | Dakotaland | Open | Huron, SD | Site ↗ |
| 2.49% | Bluestone | Open | Sioux Falls, SD | Site ↗ |
| 2.48% | Dakotaland | Open | Huron, SD | Site ↗ |
| 2.23% | Bluestone | Open | Sioux Falls, SD | Site ↗ |
| 1.98% | Bluestone | Open | Sioux Falls, SD | Site ↗ |
| 1.75% | Healthcare Plus | Open | Aberdeen, SD | Site ↗ |
| 1.72% | Bluestone | Open | Sioux Falls, SD | Site ↗ |
| 1.63% | Aspen | Open | Rapid City, SD | Site ↗ |
| 1.50% | Healthcare Plus | Open | Aberdeen, SD | Site ↗ |
| 1.50% | Highmark | Open | Rapid City, SD | Site ↗ |
| 1.25% | Dakotaland | Open | Huron, SD | Site ↗ |
| 1.25% | Healthcare Plus | Open | Aberdeen, SD | Site ↗ |
| 1.17% | Aspen | Open | Rapid City, SD | Site ↗ |
| 1.01% | Area | Open | Aberdeen, SD | Site ↗ |
| 1.00% | Sioux Valley Coop | Open | Watertown, SD | Site ↗ |