South Dakota has about 37 different credit unions with BLACK HILLS FEDERAL CREDIT UNION being the largest credit union in South Dakota having more than $1.93 billion in total assets and over 82,796 members.
| Name | Membership | Total Assets |
|---|---|---|
| M O FEDERAL CREDIT UNION1730 Dakota Ave S HURON, SD 57350 | Multiple common bond - Primarily federal, state, local government | $36,970,601 |
| MED5 FEDERAL CREDIT UNION4956 5th St RAPID CITY, SD 57701 | Community credit unions, urban or rural, other than those designated 'low income' | $110,741,794 |
| MINUTEMAN FEDERAL CREDIT UNION301 E North St RAPID CITY, SD 57701-1458 | Community credit unions, urban or rural, other than those designated 'low income' | $17,187,205 |
| NORSTAR FEDERAL CREDIT UNION515 VANDER HORCK ST BRITTON, SD 57430 | Community - Rural District | $64,670,074 |
| NORTHERN HILLS FEDERAL CREDIT UNION1080 MAIN ST STURGIS, SD 57785 | Community - Rural District | $134,497,175 |
| OAHE FEDERAL CREDIT UNION221 E Pleasant Dr PIERRE, SD 57501-3123 | Multiple common bond - Primarily federal, state, local government | $38,182,399 |
| PALACE CITY FEDERAL CREDIT UNION720 W Havens Ave MITCHELL, SD 57301 | Multiple common bond - Primarily federal, state, local government | $14,999,592 |
| RUSHMORE ELECTRIC FEDERAL CREDIT UNION1715 Cambell St RAPID CITY, SD 57701 | Service - Communications and Utilities | $24,334,800 |
| SENTINEL FEDERAL CREDIT UNION2723 LeMay Blvd ELLSWORTH AFB, SD 57706 | Community credit unions, urban or rural, other than those designated 'low income' | $169,451,884 |
| SERVICE FIRST FEDERAL CREDIT UNION3901 E 10th St SIOUX FALLS, SD 57103-2133 | Community credit unions, urban or rural, other than those designated 'low income' | $224,862,144 |
| SIOUX EMPIRE FEDERAL CREDIT UNION5010 S Solberg Ave SIOUX FALLS, SD 57108-2232 | Community credit unions, urban or rural, other than those designated 'low income' | $184,098,188 |
| SIOUX FALLS FEDERAL CREDIT UNION1741 S Cleveland Ave SIOUX FALLS, SD 57103 | Community credit unions, urban or rural, other than those designated 'low income' | $439,072,553 |
| SIOUX VALLEY COOP FEDERAL CREDIT UNION712 9th Ave SE WATERTOWN, SD 57201-5222 | Multiple common bond - other | $33,753,509 |
| SISSETON-WAHPETON FEDERAL CREDIT UNION45665 Veterans Memorial Dr AGENCY VILLAGE, SD 57262 | Associational - Fraternal, other than those designated 'low-income' | $5,454,225 |
| UNITED METHODIST FIRST CHOICE FEDERAL CREDIT UNIONPO BOX 5540 RAPID CITY, SD 57709 | Multiple common bond - Primarily faith based | $4,990,555 |
| VERMILLION FEDERAL CREDIT UNION105 E Cherry St VERMILLION, SD 57069 | Community - Rural District | $28,724,429 |
| VOYAGE FEDERAL CREDIT UNION3823 S Kiwanis Cir SIOUX FALLS, SD 57105 | Community credit unions, urban or rural, other than those designated 'low income' | $174,568,335 |