Compare Bank & Credit Union Rates
Best CD rates and certificates
Compare published certificate yields with their terms, opening minimums, requirements, collection dates and original sources.
Top CD rates
Showing 1–8 results in Grinnell, IA
- 4.25%APY$389 over 11 months on $10,000with conditions
Requirements
Product: Fixed rate for the term. Requires a $5,000 minimum opening deposit. Special interest rates apply to initial term only and automatically renew for the disclosed renewal term at standard rates in effect at maturity. Maximum aggregate deposit limit of $2.5 million. Public funds are not eligible. Early withdrawal penalties apply.
Offer: Relationship rate; requires linked Prime Checking, Premier Checking, or Private Bank Interest Checking account at open and renewal. Renews to a 6-month term at 0.05% APY.
Qualified rate · 4.16% interest rate · Effective Oct 3, 2026
Rate checked
More details - Community 1st Credit Union13-Month Certificate Account SpecialCD · 13 months · $1,000 min
Credit union · 1 branch
4.15%APY$450 over 13 months on $10,000intro rateRequirements
Product: Limited-time offer. A penalty may be imposed for early withdrawal. Subject to change and may end at any time without notice.
Offer: Limited-time special celebrating 90 years of C1st. Early withdrawal penalty may apply.
Promotional rate · 4.09% interest rate · Effective Sep 14, 2026
Rate checked
More details - Grinnell State BankCertificates of DepositCD · 33 months · $1,000 min · 4.15%–4.25% by balance
Bank · 1 branch
4.15%APY$1,183 over 33 months on $10,000Requirements
Product: Early withdrawal penalty may be imposed. Fees could reduce earnings. Funds accepted for deposit are required to be in-state or funds held within the State of Iowa. Maximum of $250,000 for non-personal (entity) depositor.
Offer: 33 month with One Time Bump. Variable interest rate and APY may change after account opening if customer exercises bump option to match standard 36-month CD rate (limit one adjustment during term; requires branch visit).
4.09% interest rate · Effective Oct 1, 2026
Rate by balance
Rate by balance for Certificates of Deposit Balance APY $1,000 and upYour amount 4.15% $15,000 and up 4.25% $50,000 and up 4.25% Rate checked
More details - 4.00%APY$502 over 15 months on $10,000
Requirements
Product: Public funds are not eligible. Minimum deposit of $2,500 to open. Daily balance method applies. If term is greater than 6 months, interest compounds and credits quarterly; for 6 months or less, interest compounds and credits at maturity. Early withdrawal penalty applies (equal to 365 days of interest). Renews automatically for a term of 12 months at a new rate.
Offer: Public funds are not eligible. Interest is compounded and credited quarterly and at maturity. Renews automatically for a 12-month term at a new rate. Early withdrawal penalty applies.
3.95% interest rate · Effective Jun 24, 2026
Rate checked
More details - Community 1st Credit UnionCertificate AccountsCD · 60 months · $500 min · 3.20%–3.55% by balance
Credit union · 1 branch
3.30%APY$1,763 over 60 months on $10,000Requirements
Product: Dividends compounded and credited quarterly. Calculated by daily balance method. Penalties may be imposed for early withdrawal.
3.16% interest rate · Effective Jul 22, 2024
Rate by balance
Rate by balance for Certificate Accounts Balance APY $500 and up 3.20% $7,501 and upYour amount 3.30% $15,001 and up 3.40% $50,001 and up 3.45% $250,001 and up 3.55% Rate checked
More details - Community 1st Credit Union12 Month Dollar Dog Certificate AccountCD · 12 months · $250 min
Credit union · 1 branch
2.75%APY$275 over 1 year on $10,000Requirements
Product: Dividends compounded and credited quarterly. Calculated by daily balance method. Penalties may be imposed for withdrawal of funds before maturity.
2.72% interest rate · Effective Jul 22, 2024
Rate checked
More details - Wells FargoConsumer Fixed Rate Time AccountCD · 24–35 months · $2,500 min · 1.76%–2.27% by balance
Bank · 1 branch
1.76%APYwith conditionsRequirements
Product: Fixed rate CD. Standard opening minimum deposit is $2,500. Early withdrawal penalties apply.
Offer: Relationship rate; requires eligible linked checking account.
Qualified rate · 1.74% interest rate · Effective Oct 3, 2026
Rate by balance
Rate by balance for Consumer Fixed Rate Time Account Balance APY Up to $100,000Your amount 1.76% $100,000 and up 2.27% Rate checked
More details - 0.01%APY
Requirements
Product: A penalty for early withdrawal may be charged. Minimum Opening Deposit equals the Minimum Balance to Earn APY.
Offer: Applicable for Certificates of Deposit only and do not apply to IRAs.
0.01% interest rate · Effective Sep 28, 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 CDs pay in Grinnell, IA
65 CDs at 5 banks and credit unions · checked Oct 16–22
- Typical
- 2.07%
- Top 10% from
- 4.00%
- Banks, typical
- 1.76%
- Credit unions, typical
- 2.95%
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Iowa
Top Carrot institutions
Ranked across their CDs, savings, auto loans and credit cards. How scores work
- Collins Community Credit UnionCredit union · 9 branches
- Serve Credit UnionCredit union · 2 branches
- Advantage Credit UnionCredit union · 1 branch