Compare Bank & Credit Union Rates
Best 3-year CD rates
Compare published certificate yields with their terms, opening minimums, requirements, collection dates and original sources.
Top CD rates
Showing 1–15 of 45 results in Iowa
- Serve Credit UnionCertificate of DepositCD · 36 months · $1,000 min · 4.49%–4.70% by balance
Credit union · 2 branches
4.49%APY$1,408 over 36 months on $10,000Requirements
Product: Interest compounds daily and is credited monthly and at maturity. Penalty for early withdrawal.
4.40% interest rate · Effective Oct 1, 2026
Rate by balance
Rate by balance for Certificate of Deposit Balance APY $1,000 – $50,000Your amount 4.49% $50,000 – $100,000 4.60% $100,000 and up 4.70% Rate checked
More details - 4.10%APY$1,281 over 36 months on $10,000
Requirements
Product: Minimum balance to open: $1,000. Interest compounded monthly unless paid directly to you. Early withdrawal penalty of 90 days of interest will be imposed and may be deducted from principal amount. Withdrawal of earnings could reduce APY.
4.03% interest rate · Compounded monthly · Effective Nov 1, 2026
Rate checked
More details - 4.00%APY$1,249 over 36 months on $10,000
Requirements
Product: Penalty for early withdrawal. For all certificates unless otherwise noted: minimum deposit of $500 required to open certificate and earn dividends. 3 Month Certificate requires a minimum deposit of $5,000.
Offer: Penalty for early withdrawal.
3.93% interest rate
Rate checked
More details - 3.92%APY$1,223 over 36 months on $10,000
3.85% interest rate · Effective Oct 21, 2026
Rate checked
More details - 3.80%APY$1,184 over 36 months on $10,000
Requirements
Product: NCUA insured. Rates and Annual Percentage Yields are subject to change monthly as determined by the Credit Union Board of Directors. Early withdrawal penalties apply.
3.75% interest rate
Rate checked
More details - 3.75%APY$1,168 over 36 months on $10,000
Requirements
Product: Membership required. Penalty may be imposed for early withdrawal and subject to account closure. APY assumes principal and interest remain on deposit for full term.
3.70% interest rate · Effective Oct 1, 2026
Rate checked
More details - Cobalt Credit UnionCertificateCD · 36 months · $1,000 min · 3.65%–3.75% by balance
Credit union · 1 branch
3.65%APY$1,135 over 36 months on $10,000Requirements
Product: Certificates of Deposit (CDs) earn dividends at a fixed rate over a specific period of time. Minimum opening deposit of $1,000. 7 day grace period for making changes or cashing out a certificate upon maturity. Compounded quarterly. Early withdrawal penalty applies. Member Loyalty APY available.
Offer: Member Loyalty APY. Period: Quarterly.
Compounded quarterly
Rate by balance
Rate by balance for Certificate Balance APY $1,000 – $100,000Your amount 3.65% $100,000 and up 3.75% Rate checked
More details - North Star Community Credit UnionShare CertificateCD · 36 months · $500 min
Credit union · 3 branches
3.65%APY$1,135 over 36 months on $10,000Requirements
Product: Dividends are paid quarterly and at maturity. Minimum deposit of $500 required except for Star Saver. Early withdrawal penalties apply.
3.60% interest rate · Effective Oct 13, 2026
Rate checked
More details - 3.65%APY$1,135 over 36 months on $10,000intro rate
Requirements
Product: Compounded quarterly. Dividend rates fixed when opened. Penalty for early withdrawal. $1,000 minimum deposit.
Promotional rate · 3.60% interest rate · Compounded quarterly · Effective Oct 1, 2026
Rate checked
More details - 3.65%APY$1,135 over 36 months on $10,000
Requirements
Product: Interest is compounded and credited quarterly. Penalty may be imposed for early withdrawal. Membership requires a minimum $5 share deposit. No monthly maintenance fees.
3.60% interest rate · Effective Sep 25, 2026
Rate checked
More details - Siouxland Federal Credit UnionShare CertificatesCD · 36 months · $1,000 min
Credit union · 4 branches
3.55%APY$1,103 over 36 months on $10,000Requirements
Product: Dividends are compounded quarterly into the certificate balance or may be withdrawn at any time. All Certificates are allowed a one-time add-on deposit. Funds will be transferred to Regular Savings Account at Certificate Maturity. Early withdrawal on Share Certificates equals 365 days dividends on the amount withdrawn.
Offer: (One Bump - Up per Term)
3.50% interest rate · Compounded quarterly · Effective Nov 1, 2026
Rate checked
More details - Cobalt Credit UnionCertificateCD · 36 months · $1,000 min · 3.50%–3.60% by balance
Credit union · 1 branch
3.50%APY$1,087 over 36 months on $10,000Requirements
Product: Certificates of Deposit (CDs) earn dividends at a fixed rate over a specific period of time. Minimum opening deposit of $1,000. 7 day grace period for making changes or cashing out a certificate upon maturity. Compounded quarterly. Early withdrawal penalty applies. Member Loyalty APY available.
Offer: Period: Quarterly.
3.45% interest rate · Compounded quarterly
Rate by balance
Rate by balance for Certificate Balance APY $1,000 – $100,000Your amount 3.50% $100,000 and up 3.60% Rate checked
More details - Cobalt Credit UnionBump Up Share CertificateCD · 36 months · $1,000 min · 3.50%–3.60% by balance
Credit union · 1 branch
3.50%APY$1,087 over 36 months on $10,000Requirements
Product: Bump Up Share Certificate. Minimum opening deposit $1,000. Compounded quarterly.
Offer: Period: Quarterly.
3.45% interest rate · Compounded quarterly
Rate by balance
Rate by balance for Bump Up Share Certificate Balance APY $1,000 – $100,000Your amount 3.50% $100,000 and up 3.60% Rate checked
More details - 3.50%APY$1,087 over 36 months on $10,000
Requirements
Product: A fixed-rate investment with terms from 7 months to 3 years. Minimum deposit of $2,000 is required. Dividends are compounded quarterly. Penalty for early withdrawal. Renewals are automatic unless notified within a 10-day Grace Period. $5.00 minimum deposit to open a savings account required.
Offer: Dividends calculated using Daily Balance method, credit and compound quarterly. Automatic renewals unless notified within a 10-day Grace Period. Early withdrawal penalties may be imposed.
3.45% interest rate · Compounded quarterly · Effective Oct 9, 2026
Rate checked
More details - Members Community Credit UnionCertificate of Deposit / Share CertificateCD · 36 months · $1,000 min
Credit union · 2 branches
3.50%APY$1,087 over 36 months on $10,000Requirements
Product: Minimum deposit is $1,000; for minor primary owners it's $250. Automatic renewal. Early withdrawal fee applies.
Offer: Automatic renewal; minimum deposit is $250 for minor primary owners.
3.45% interest rate
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 3-year CDs pay in Iowa
45 CDs at 42 banks and credit unions · checked Nov 6
- Typical
- 2.89%
- Top 10% from
- 3.78%
- Credit unions, typical
- 2.89%
Is your bank paying you enough?
Find your bank or credit union to see all its rates and how they compare near you.
Iowa
Top Carrot institutions
Ranked across their CDs, savings, auto loans and credit cards. How scores work
- Advantage Credit UnionCredit union · 1 branch
- Serve Credit UnionCredit union · 2 branches
- Collins Community Credit UnionCredit union · 9 branches