South Dakota · NCUA branch file, Q2 2026
Credit unions in Rapid City, SD
9 credit unions have 18 offices in Rapid City, South Dakota, according to the branch information they filed with NCUA for the quarter ended June 30, 2026. Black Hills Federal Credit Union has the most here (7); the largest by assets is Black Hills Federal Credit Union at $2.38 billion.
| Credit union | Offices here | Assets | Net worth ratio | New auto rate | Based in |
|---|---|---|---|---|---|
| Black Hills Federal Credit Union | 7 | $2.4B | 10.56% | 5.99% | Rapid City, SD |
| Sentinel Federal Credit Union | 2 | $199M | 10.83% | 5.47% | Box Elder, SD |
| Aspen Federal Credit Union | 2 | $173M | 8.44% | 5.25% | Rapid City, SD |
| Dakota Star Federal Credit Union | 2 | $44.9M | 9.00% | 5.49% | Rapid City, SD |
| Highmark Federal Credit Union | 1 | $258M | 7.67% | 6.60% | Rapid City, SD |
| Interfaith Federal Credit Union | 1 | $135M | 11.87% | 5.05% | Montclair, CA |
| Rushmore Electric Federal Credit Union | 1 | $29.3M | 10.00% | 5.78% | Rapid City, SD |
| Minuteman Federal Credit Union | 1 | $15.2M | 14.33% | 6.84% | Rapid City, SD |
| Dacotah Federal Credit Union | 1 | $11.1M | 10.07% | 4.74% | Rapid City, SD |
Rates are what each credit union reported to NCUA for new auto loans, not offers. All South Dakota credit union loan rates.
Addresses, phone numbers and hours
Black Hills Federal Credit Union
- Downtown Member Service Center 200 E Main St, Rapid City, SD 57701 Drive-through · ATM
- East North Member Service Center 725 E North St, Rapid City, SD 57701 Drive-through · ATM
- Elk Vale Member Service Center 950 Elk Vale Rd, Rapid City, SD 57703 Drive-through · ATM
- Plaza Drive Member Service Center 2700 N Plaza Dr, Rapid City, SD 57702 Drive-through · ATM
- Mountain View Member Service Center 850 Mountain View Rd, Rapid City, SD 57702 Drive-through · ATM
- Corporate 2700 N Plaza Dr, Rapid City, SD 57702 Main office
- 5th & Minnesota Member Service Center 111 E Minnesota St, Rapid City, SD 57701 Drive-through · ATM
Sentinel Federal Credit Union
- Triple Crown 4011 Triple Crown Dr, Rapid City, SD 57701 Drive-through · ATM
- Haines 1430 Haines Ave Ste 101, Rapid City, SD 57701 Drive-through · ATM
Aspen Federal Credit Union
- Main Office 4956 5Th St, Rapid City, SD 57701 Main office · Drive-through
- West Branch 2300 W Main St, Rapid City, SD 57702 Drive-through · ATM
Dakota Star Federal Credit Union
- DAKOTA STAR FCU 3122 W Saint Louis St, Rapid City, SD 57702 Main office · Drive-through
- 1636 E St Patrick St 1636 E St Patrtick St, Rapid City, SD 57701 Drive-through
Highmark Federal Credit Union
- Highmark Main Office 725 5Th St, Rapid City, SD 57701 Main office · Drive-through · ATM
Interfaith Federal Credit Union
- South Dakota 815 Columbus St, Rapid City, SD 57701
Rushmore Electric Federal Credit Union
- Rushmore Electric FCU 1805 Cambell St, Rapid City, SD 57701 Main office · Drive-through
Minuteman Federal Credit Union
- MINUTEMAN FCU 301 E North St, Rapid City, SD 57701 Main office · Drive-through · ATM
Dacotah Federal Credit Union
- Dacotah FCU Main Office 2990 E Highway 44, Rapid City, SD 57703 Main office · Drive-through · ATM
Addresses, phones and hours are as each credit union filed them with NCUA; confirm before you visit. Not affiliated with NCUA or any credit union.
Other cities in South Dakota
Every South Dakota city · All South Dakota credit unions
Questions people ask
How many credit unions are in Rapid City, SD?
NCUA's branch file for Q2 2026 lists 18 credit union offices in Rapid City, run by 9 credit unions, 7 of them headquartered in the city.
Which credit union has the most branches in Rapid City?
Black Hills Federal Credit Union, with 7 offices in Rapid City. The largest credit union with an office here is Black Hills Federal Credit Union, with $2.38 billion in assets.
Can I join a credit union in Rapid City?
Each credit union serves a defined field of membership, often people who live or work in an area, employees of certain companies, or members of an association. Check the credit union's own eligibility rules. Some credit unions are open to anyone in the US through an association or a small donation.