Credit Unions in South Dakota

Browse rates for mortgages, auto loans, HELOCs, personal loans, credit cards, savings & CDs, and equipment loans from 30 credit unions in South Dakota. Updated daily with full source verification.

30Credit Unions
93%Verified (7 days)
3 hr agoLast Updated

RateAPI tracks rates for mortgages, auto loans, HELOCs, personal loans, credit cards, savings & CDs, and equipment loans from 30 credit unions in South Dakota. 93% have been verified within the last 7 days.

Source: RateAPI.dev

Credit Unions

Select a credit union to view current rates for mortgages, auto loans, HELOCs, personal loans, credit cards, savings & CDs, and equipment loans

Aspen

Rapid City
8,383 members2 locations
4 productsAug 4, 2026

Avanti

Watertown
2,963 members1 location
9 productsAug 4, 2026

Black Hills

Rapid City
108,871 members21 locations
10 productsAug 3, 2026

Consumer's

Gregory
1,613 members1 location
3 productsAug 4, 2026

Coteau Valley

Sisseton
2,216 members2 locations
12 productsAug 4, 2026

Dakota Plains

Lemmon
4,900 members5 locations
14 productsAug 4, 2026

Dakota Rail Line

Huron
492 members1 location
12 productsAug 4, 2026

Dakotaland

Huron
42,263 members13 locations
12 productsAug 4, 2026

HB Telco

Huron
788 members2 locations
4 productsAug 4, 2026

Highmark

Rapid City
13,724 members5 locations
2 productsAug 3, 2026

Huron Area Education

Huron
854 members1 location
3 productsAug 3, 2026

Lakota

Kyle
4,125 members1 location
6 productsAug 3, 2026

Minuteman

Rapid City
1,163 members1 location
4 productsAug 4, 2026

Norstar

Britton
2,810 members2 locations
9 productsAug 4, 2026

Northern Hills

Sturgis
12,667 members5 locations
6 productsAug 4, 2026

Rushmore Electric

Rapid City
1,423 members1 location
2 productsAug 4, 2026

Sentinel

Box Elder
9,857 members8 locations
4 productsAug 4, 2026

Sioux Valley Coop

Watertown
3,378 members1 location
6 productsAug 4, 2026

Voyage

Sioux Falls
19,670 members5 locations
2 productsAug 3, 2026

Dakota Star

Rapid City
3,016 members2 locations
Rates pending

Explorers

Yankton
9,040 members4 locations
Rates pending

Frequently Asked Questions

Common questions about South Dakota credit union rates

How many credit unions in South Dakota does RateAPI track?

RateAPI tracks 30 credit unions in South Dakota, covering mortgages, auto loans, HELOCs, personal loans, credit cards, savings & CDs, and equipment loans. 93% have been verified within the last 7 days.

How often are South Dakota credit union rates updated?

Rates are re-verified daily from each credit union's official website. Every rate links back to its source page so you can confirm it independently. See our methodology for details.

Can I access South Dakota credit union rates via API?

Yes. The /credit-unions endpoint returns every tracked credit union and its rates as JSON. Filter the response by state code to get only South Dakota institutions. See pricing for plan limits.

What product rates can I compare for South Dakota?

Compare mortgage rates, auto loan rates, HELOC rates, personal loan rates, and credit card rates across South Dakota credit unions.

Query South Dakota Rates via API

Get all rates for this state programmatically

terminal
# Get all credit unions (filter by state in response)
curl "https://api.rateapi.dev/credit-unions" \
  -H "Authorization: Bearer YOUR_API_KEY"