Compare Bank & Credit Union Rates
Best CD rates in South Dakota
Compare published certificate yields with their terms, opening minimums, requirements, collection dates and original sources.
Top CD rates
Showing 1–15 results in South Dakota
- San Diego Firefighters Federal Credit UnionShare CertificateCD · 12 months · $2,000 min
Credit union · 1 branch
4.45%APY$445 over 1 year on $10,000Requirements
Product: Membership in SDFFCU is limited to employed or retired firefighters and Fire Department personnel permanently assigned to any Fire Department located within San Diego County, immediate family, and employees/members of Firefighter Related Organizations. Automatic renewal at maturity with a 7-day grace period.
4.38% interest rate
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More details - 4.25%APY$425 over 1 year on $10,000
4.16% interest rate
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More details - 4.11%APY$411 over 1 year on $10,000
Requirements
Offer: Interest cannot remain on deposit; payout of interest is mandatory. Early withdrawal penalty applies.
Effective Oct 5, 2026
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More details - 4.10%APY$410 over 1 year on $10,000
Requirements
Product: 91 day and 182 day CDs are compounded and paid at maturity. All other CDs are compounded and paid quarterly. Early withdrawal penalty: CDs less than or equal to one year, 30 day interest penalty; CDs greater than one year, 180 days interest penalty. Rates are variable and subject to change. Fees could reduce earnings on account.
Offer: Compounded and paid quarterly. Early withdrawal penalty: 30 day interest penalty. Rates variable and subject to change.
4.04% interest rate
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More details - Voyage Federal Credit UnionShare CertificateCD · 12 months · $500 min · 4.04%–4.09% by balance
Credit union · 4 branches
4.09%APY$409 over 1 year on $10,000Requirements
Product: Disclosures * $500.00 minimum. Rates are based on qualifications and all rates shown are APY (Annual Percentage Yield) which are declared by the Board of Directors and are subject to change. A complete account disclosure is available upon request, and will be provided at account opening.
3.97% interest rate · Effective Oct 30, 2025
Rate by balance
Rate by balance for Share Certificate Balance APY $500 – $10,000 4.04% $10,000 and upYour amount 4.09% Rate checked
More details - 4.06%APY$406 over 1 year on $10,000
Effective Oct 4, 2026
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More details - 4.04%APY$404 over 1 year on $10,000
Requirements
Product: Fixed maturity date savings certificate earning a fixed rate. Automatically renews for the same term with a 10-day grace period following the renewal date. Substantial penalty imposed for withdrawals before maturity date (terms less than 1 year: 180 days dividends; terms 1 year or more: 365 days dividends). Penalty does not apply to early withdrawal due to death of an owner.
Effective Oct 4, 2026
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More details - 4.00%APY$400 over 1 year on $10,000
Requirements
Product: Dividends compounded quarterly. Early withdrawal penalty applies (equal to 365 days dividends on the amount withdrawn). Funds transferred to Regular Savings Account at maturity. Allowed a one-time add-on deposit.
Offer: Allowed a one-time add-on deposit.
3.93% interest rate · Compounded quarterly · Effective Oct 1, 2026
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More details - Sioux Valley Co-op Federal Credit UnionShare CertificatesCD · 12 months · $0 min
Credit union · 1 branch
4.00%APY$400 over 1 year on $10,000Requirements
Product: Earn a fixed rate by keeping your funds deposited for a set term. Dividends are accrued annually.
Offer: Compounded annually
Compounded annually · Effective Oct 13, 2026
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More details - Security National Bank of South DakotaCertificates of Deposit (Dakota Dunes)CD · 12 months · $1,000 min
Bank · 3 branches
4.00%APY$400 over 1 year on $10,000Requirements
Product: $1,000 minimum deposit to open. Simple interest compounded and credited semiannually for terms of 1 year or longer, or compounded and paid at maturity for terms less than 1 year. Penalty for early withdrawal. Dakota Dunes location.
3.96% interest rate
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More details - Security National Bank of South DakotaTraditional CD (Sioux Falls)CD · 12 months · $1,000 min
Bank · 3 branches
4.00%APY$400 over 1 year on $10,000intro rateRequirements
Product: $1,000 minimum deposit to open. Simple interest compounded and credited semiannually for terms of 1 year or longer, or compounded and paid at maturity for terms less than 1 year. Penalty for early withdrawal. Offer good for initial term only. Rates shown for Sioux Falls location.
Promotional rate · 3.96% interest rate
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More details - 4.00%APY$400 over 1 year on $10,000
Requirements
Product: Designed for longer-term savings goals. Interest earned is paid upon maturity.
4.00% interest rate
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More details - Coteau Valley Federal Credit UnionShare CertificatesCD · 12 months · $500 min
Credit union · 1 branch
3.98%APY$398 over 1 year on $10,000Requirements
Product: Dividends are paid quarterly Dividends calculated by average daily balance Automatic renewal with a 10 day grace period A 0.200% dividend increase is available for non-profit organizations. Penalties 6 month CD - loss of one quarter's earnings 12 month & up - loss of two quarter's earnings
Offer: A 0.200% dividend increase is available for non-profit organizations. Dividends paid quarterly calculated by average daily balance. Automatic renewal with a 10 day grace period.
3.90% interest rate · Effective Oct 15, 2026
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More details - 3.90%APY$390 over 1 year on $10,000
Requirements
Product: Dividends compounded daily and credited monthly. Early withdrawal penalties apply (12 months or less: 90 days dividends; >12 to <24 months: 180 days dividends; 24 to <48 months: 365 days dividends; 48 months or more: 730 days dividends). 10-day grace period upon automatic renewal. Bump-rate feature may be attached allowing a one-time rate change.
Compounded daily · Effective Oct 4, 2026
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More details - 3.85%APY
3.80% interest rate · Effective Jul 21, 2025
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Carrot Score rates each institution on all its CD, savings, auto loan and credit card rates, not just the account shown. How we rank
* APY calculated from the stated interest rate. Daily compounding is assumed when the institution does not state it.
What 1-year CDs pay in South Dakota
63 CDs at 45 banks and credit unions · checked Oct 16–22
- Typical
- 3.35%
- Top 10% from
- 4.03%
- Banks, typical
- 3.01%
- Credit unions, typical
- 3.60%
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South Dakota
Top Carrot institutions
Ranked across their CDs, savings, auto loans and credit cards. How scores work
- San Diego Firefighters Federal Credit UnionCredit union · 1 branch
- Voyage Federal Credit UnionCredit union · 4 branches
- Sioux Valley Co-op Federal Credit UnionCredit union · 1 branch