Credit union · NCUA insured
Service First FCU
A $210.1M credit union headquartered in Sioux Falls, SD, with 16,466 members and 3 branches in South Dakota. Best rates: CDs 3.00% and savings 1.00% APY.
Service First FCU Carrot Score
85
Carrot Score
Higher than 69% of U.S. banks and credit unions
#5 of 18 in Sioux Falls, SD-MN metroHow the score works →
Deposits are federally insured by the NCUA up to $250,000 per depositor.
About Service First FCU
Founded in 1934, Service First Federal Credit Union is a not-for-profit, member-owned financial institution serving Sioux Falls and surrounding communities.
The credit union serves 43 counties across South Dakota, Iowa, Minnesota, and Nebraska.
- Headquarters
- 3901 E 10th St, Sioux Falls, SD 57103-2133
- NCUA charter
- 77
Membership
Who can join
This may be incomplete or out of date, so check with the credit union before you apply.
Where you live or work
- Membership is open to individuals who live, work, worship, or attend school in 43 specified counties across South Dakota, Iowa, Minnesota, and Nebraska.
Branches
3 branches in South Dakota
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South Dakota
3 branches
- Service First Federal Credit UnionMain office3901 E 10th St, Sioux Falls, SD 57103Directions
- Falls Landingl Branch1300 N Morrell Ave, Sioux Falls, SD 57103Directions
- Southwest Branch3600 S Kiwanis Ave, Sioux Falls, SD 57105Directions
Walk-in offices from the NCUA directory as of March 31, 2026. Directions open Google Maps. A nearby branch doesn’t mean you can join or open an account.
Financial details
Well capitalizedas reported to the NCUA
| Measure | This credit union | Peers’ middle | Strongest quarter |
|---|---|---|---|
| CapitalNet worth ratio | 9.29% | 11.43% | 13.58% or more |
| Troubled loans60+ days late | 0.94% | 0.68% | 0.39% or less |
| ProfitabilityReturn on assets | 0.84% | 0.75% | 1.18% or more |
| LendingLoans per $100 deposited | $57 | $76 | — |
- CapitalNet worth ratio9.29%Peers’ middle 11.43% · Top 25% 13.58%+
- Troubled loans60+ days late0.94%Peers’ middle 0.68% · Top 25% ≤0.39%
- ProfitabilityReturn on assets0.84%Peers’ middle 0.75% · Top 25% 1.18%+
- LendingLoans per $100 deposited$57Peers’ middle $76
Compared with the 1,338 credit unions with $100 million to $1 billion in assets. The strongest quarter is what the best 25% of them reach: more capital and profit, fewer troubled loans. Lending has no better end.Troubled loans are loans 60 or more days late.
Regulators’ own ratings of Service First FCU are confidential. These figures are what it reports to the NCUA each quarter, set beside its peers; they aren’t a rating.