Compare Bank & Credit Union Rates
Best savings rates in South Dakota
Compare published savings yields, money market accounts included, with minimums, requirements, collection dates and original sources.
Top savings rates
Showing 1–15 results in South Dakota
- 3.00%APY$300 a year on $10,000
Requirements
Product: $100 minimum opening balance. The interest rate and annual percentage yield (APY) may change after account opening. Fees could reduce earnings.
1.00% interest rate · Effective Oct 7, 2026
Rate by balance
Rate by balance for Premium+ Balance APY Up to $2,500 1.00% $2,500 – $10,000 2.00% $10,000 and upYour amount 3.00% Rate checked
More details - Highmark Federal Credit UnionKasasa SaverSavings · $0 min · 0.25%–3.00% by balance
Credit union · 4 branches
3.00%APY$300 a year on $10,000with conditionsRequirements
Product: Must have a Kasasa Cash or Kasasa Cash Back account to open. Earned checking rewards are automatically transferred into the Kasasa Saver. Base rate applies if qualifications are not met. Qualifications per cycle: at least 12 debit card purchases, at least 1 direct deposit/ACH credit/ACH payment transaction, and enrolled in e-statements. Qualifying period is last day of a month through second-to-last day of the following month.
Offer: If monthly qualifications are met on linked Kasasa Cash or Kasasa Cash Back account. Compounded and paid monthly based on daily average balance.
Qualified rate · 2.96% interest rate · No monthly fee · Effective Oct 1, 2026
Rate by balance
Rate by balance for Kasasa Saver Balance APY Up to $100,000Your amount 3.00% $100,000 and up 0.25% Rate checked
More details - 3.00%APY$300 a year on $10,000
Requirements
Product: Available in select markets/states to applicants with qualifying residential address. Monthly service fee is waived for accounts with a linked Citi checking account, an average monthly balance of $500 or more, or enrollment in Citi Priority, Citigold, or Citigold Private Client relationship tiers. Accounts with a zero balance for 90 calendar days are subject to closure.
Offer: Everyday Benefits tier. Rates apply to ZIP 57108 (OUT pricing region). $4.50 monthly fee waived with $500+ average monthly balance or linked Citi checking account.
2.96% interest rate · $4.50 monthly fee
Rate checked
More details - 3.00%APY$300 a year on $10,000with conditions
Requirements
Product: Must have a linked Kasasa Cash or Kasasa Cash Back checking account to build automatic savings. Earning the highest rate requires meeting monthly qualification cycle activities in linked checking (at least 12 debit card purchases > $4.99, at least 1 direct deposit or ACH credit, and enrolled in E-Statements). No monthly maintenance fee. No minimum balance to earn rewards.
Offer: When qualifications in linked Kasasa Cash or Kasasa Cash Back account are met. Rate is 2.96% (2.9595% dividend rate).
Qualified rate · 2.96% interest rate · Balance cap $100,000 · No monthly fee · Effective Feb 1, 2024
Rate checked
More details - 3.00%APY$300 a year on $10,000with conditions
Requirements
Product: Link to Kasasa Cash Back Checking. No minimum balance to earn rewards. No monthly maintenance fees. If new to Explorers CU, minimum $10 membership deposit into a Share (Savings) Account required.
Offer: When qualifications in linked Kasasa Cash Back Checking are met. Earned on balances up to $25,000.
Qualified rate · Balance cap $25,000 · No monthly fee
Rate checked
More details - Sioux Valley Co-op Federal Credit UnionHigh Yield SavingsSavings · $10,000 min
Credit union · 1 branch
2.85%APY$285 a year on $10,000Requirements
Product: Minimum balance of $10,000 required to earn the high interest.
Offer: Interest compounded quarterly. Minimum $10,000 balance required to earn dividend.
Compounded quarterly · Effective Sep 30, 2026
Rate checked
More details - 2.57%APY$257 a year on $10,000
Requirements
Product: Must be established, accessed, and maintained exclusively online.
Offer: $3.00 monthly service charge waived if daily balance remains at $100.00 or above. $2.00 service charge per withdrawal over 6 per calendar month. Online opening only.
2.55% interest rate · $3 monthly fee
Rate checked
More details - 2.40%APY$240 a year on $10,000
Requirements
Product: $2 monthly maintenance fee avoided by maintaining a $10,000 relationship balance (sum of average daily balances for primary, household demand deposit accounts plus current balance of time deposit accounts). Rate and APY may change after account opening. Fees could reduce earnings.
1.98% interest rate · $2 monthly fee · Effective Sep 23, 2026
Rate by balance
Rate by balance for Savings+ Balance APY Up to $10,000 2.00% $10,000 – $25,000Your amount 2.40% $25,000 – $50,000 2.80% $50,000 and up 3.30% Rate checked
More details - 2.00%APY$200 a year on $10,000with conditions
Requirements
Product: Opening deposit of at least $25 required. Monthly maintenance fee of $5 is waived for owners of a U.S. Bank Smartly Checking account, Safe Debit account, U.S. Bank Smartly Visa Signature Card, or accounts with a minor under age 18. Relationship rates require maintaining an eligible qualifying product and vary by Combined Qualifying Balance (CQB).
Offer: Relationship rate for Combined Qualifying Balance (CQB) under $5,000. Requires an eligible open and in-good-standing account (U.S. Bank Smartly Checking, Safe Debit, or U.S. Bank Smartly Visa Signature Card).
Qualified rate · 1.00% interest rate · $5 monthly fee · Effective Oct 5, 2026
Rate by balance
Rate by balance for U.S. Bank Smartly Savings Balance APY Up to $5,000 1.00% $5,000 – $25,000Your amount 2.00% $25,000 – $50,000 3.50% $50,000 – $100,000 3.50% $100,000 – $99,999,999,999 3.50% Rate checked
More details - 2.00%APY$200 a year on $10,000with conditions
Requirements
Product: Variable rate account. Monthly maintenance fee of $5 is waived for owners of a Bank Smartly Checking account, Safe Debit account, Bank Smartly Visa Signature Card, or accounts with a minor under age 18. Higher relationship rates require maintaining an eligible product (Bank Smartly Checking, Safe Debit account, or Bank Smartly Visa Signature Card) and are determined by Combined Qualifying Balance (CQB).
Offer: Relationship rate for CQB Under $5,000. Requires qualifying relationship product.
Qualified rate · 1.00% interest rate · $5 monthly fee · Effective Oct 5, 2026
Rate by balance
Rate by balance for Bank Smartly Savings Balance APY Up to $5,000 1.00% $5,000 – $25,000Your amountRelationship rate for CQB $5,000 to $24,999.99. 2.00% $25,000 – $50,000Relationship rate for CQB $25,000 to $49,999.99. 3.50% $50,000 – $100,000Relationship rate for CQB $50,000 to $99,999.99. 3.50% $100,000 and upRelationship rate for CQB $100,000 and above. 3.50% Rate checked
More details - First National Bank in PhilipCMA – Cash Management AccountCMA – Cash Management Account · $2,500 min · 1.51%–3.04% by balance
Bank · 2 branches
1.82%APY$182 a year on $10,000Requirements
Product: Interest is compounded and credited monthly. Up to six withdrawals or transfers allowed per statement; unlimited deposits and in-person withdrawals. Checks imaged and enclosed with monthly statement.
Offer: Tier: Less Than $2,500.00. Minimum balance requirement stated as $2,500.00. Rates may change after account opening. Fees may reduce earnings.
1.50% interest rate · No monthly fee · Effective Oct 1, 2026
Rate by balance
Rate by balance for CMA – Cash Management Account Balance APY Up to $2,500 1.51% $2,500 – $25,000Your amount 1.82% $25,000 – $50,000 2.12% $50,000 – $100,000 2.43% $100,000 – $200,000 2.73% $200,000 and up 3.04% Rate checked
More details - Norstar Federal Credit UnionMoney Market CheckingMoney Market Checking · $0 min · 1.50%–1.75% by balance
Credit union · 1 branch
1.75%APY$175 a year on $10,000Requirements
Product: 6 transfers allowed per month; 3 checks allowed per month; Minimum Balance $1,500
Offer: Average Daily Balance $0 - $4,999.99; 6 transfers allowed per month; 3 checks allowed per month; Minimum Balance $1,500
1.50% interest rate · Effective Oct 3, 2026
Rate by balance
Rate by balance for Money Market Checking Balance APY Up to $5,000 1.50% $5,000 and upYour amount 1.75% Rate checked
More details - 1.71%APY$171 a year on $10,000
Requirements
Product: Dividends apply to accounts with a minimum balance of $100. Rates are based on qualifications and subject to change.
Offer: Dividends apply to accounts with a minimum balance of $100.
1.40% interest rate · Effective Oct 30, 2025
Rate by balance
Rate by balance for Summit Balance APY Up to $10,000 1.41% $10,000 – $25,000Your amount 1.71% $25,000 – $100,000 2.07% $100,000 – $200,000 2.32% $200,000 and up 2.53% Rate checked
More details - Bank MidwestPremier Money Market Savings AccountPremier Money Market Savings Account · $50 min · 1.00%–3.20% by balance
Bank · 1 branch
1.51%APY$151 a year on $10,000Requirements
Product: Tiered interest rate. If balance falls below $10,000 any day of the month, a $10 monthly service charge is assessed. Limited to 6 withdrawals and 6 checks per month.
Offer: Monthly fee of $10 assessed if balance falls below $10,000 any day of the month.
1.00% interest rate · $10 monthly fee · Effective Sep 29, 2026
Rate by balance
Rate by balance for Premier Money Market Savings Account Balance APY Up to $10,000 1.00% $10,000 – $25,000Your amount 1.51% $25,000 – $100,000 2.02% $100,000 – $250,000 2.68% $250,000 and up 3.20% Rate checked
More details - 1.51%APY$151 a year on $10,000
Requirements
Product: Interest is compounded quarterly. Rates may change after the account is opened. Fees may reduce earnings.
Offer: Rates may change after the account is opened. Fees may reduce stated earnings.
1.50% interest rate · Compounded quarterly · Effective Oct 1, 2026
Rate checked
More details
Carrot Score rates each institution on all its CD, savings, auto loan and credit card rates, not just the account shown. How we rank
What savings accounts pay in South Dakota
145 accounts at 57 banks and credit unions · checked Oct 16–22
- Typical
- 0.25%
- Top 10% from
- 1.51%
- Banks, typical
- 0.15%
- Credit unions, typical
- 0.40%
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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