RANKING ·
Largest credit unions by total assets in South Dakota
33 of 33 credit unions in South Dakota that filed for the quarter ended June 30, 2026 are ranked. Every credit union that filed for the quarter. Institutions with equal values share a rank. Source: NCUA Call Report data.
| Rank | Institution | Headquarters | Total assets | Total assets |
|---|---|---|---|---|
| 1 | Black Hills Federal Credit Union | Rapid City, SD | $2.4 billion | $2.4 billion |
| 2 | Dakotaland Federal Credit Union | Huron, SD | $752 million | $752 million |
| 3 | Levo Federal Credit Union | Sioux Falls, SD | $516 million | $516 million |
| 4 | Voyage Federal Credit Union | Sioux Falls, SD | $285 million | $285 million |
| 5 | Highmark Federal Credit Union | Rapid City, SD | $258 million | $258 million |
| 6 | Service First Federal Credit Union | Sioux Falls, SD | $210 million | $210 million |
| 7 | Bluestone Federal Credit Union | Sioux Falls, SD | $206 million | $206 million |
| 8 | Northern Hills Federal Credit Union | Sturgis, SD | $205 million | $205 million |
| 9 | Area Federal Credit Union | Aberdeen, SD | $200 million | $200 million |
| 10 | Sentinel Federal Credit Union | Box Elder, SD | $199 million | $199 million |
| 11 | Aspen Federal Credit Union | Rapid City, SD | $173 million | $173 million |
| 12 | Explorers Federal Credit Union | Yankton, SD | $111 million | $111 million |
| 13 | Dakota Plains Federal Credit Union | Lemmon, SD | $84.4 million | $84.4 million |
| 14 | Norstar Federal Credit Union | Britton, SD | $78.6 million | $78.6 million |
| 15 | Healthcare Plus Federal Credit Union | Aberdeen, SD | $70.4 million | $70.4 million |
| 16 | Oahe Federal Credit Union | Pierre, SD | $45.1 million | $45.1 million |
| 17 | Dakota Star Federal Credit Union | Rapid City, SD | $44.9 million | $44.9 million |
| 18 | Ft Randall Federal Credit Union | Wagner, SD | $44.2 million | $44.2 million |
| 19 | East River Federal Credit Union | Madison, SD | $41.9 million | $41.9 million |
| 20 | M O Federal Credit Union | Huron, SD | $40.9 million | $40.9 million |
| 21 | Sioux Valley Coop Federal Credit Union | Watertown, SD | $40.7 million | $40.7 million |
| 22 | Avanti Federal Credit Union | Watertown, SD | $31.8 million | $31.8 million |
| 23 | Rushmore Electric Federal Credit Union | Rapid City, SD | $29.3 million | $29.3 million |
| 24 | Consumer'S Federal Credit Union | Gregory, SD | $21.4 million | $21.4 million |
| 25 | Lakota Federal Credit Union | Kyle, SD | $19.7 million | $19.7 million |
| 26 | Coteau Valley Federal Credit Union | Sisseton, SD | $18.8 million | $18.8 million |
| 27 | Huron Area Education Federal Credit Union | Huron, SD | $18.8 million | $18.8 million |
| 28 | Palace City Federal Credit Union | Mitchell, SD | $16.5 million | $16.5 million |
| 29 | Minuteman Federal Credit Union | Rapid City, SD | $15.2 million | $15.2 million |
| 30 | Dacotah Federal Credit Union | Rapid City, SD | $11.1 million | $11.1 million |
| 31 | Dakota Rail Line Federal Credit Union | Huron, SD | $5.1 million | $5.1 million |
| 32 | Hb Telco Federal Credit Union | Huron, SD | $4.9 million | $4.9 million |
| 33 | Sisseton-Wahpeton Federal Credit Union | Agency Village, SD | $4.9 million | $4.9 million |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings