Current Mapleton, Iowa CD rates include Affinity Credit UnionAffinity Credit Union475 NW Hoffman Ln, Des Moines, IA 50313 2261A+5.0 ★Texas Ratio: 4.17% offering 12 month Certificates at 4.06% APY, Des Moines Metro Credit UnionDes Moines Metro Credit Union100 University Ave, Des Moines, IA 50314 3121A+5.0 ★Texas Ratio: 2.01% offering 6-month Share Certificate at 4.01% APY, Cedar Falls Community Credit UnionCedar Falls Community Credit Union123 W 4th St, Cedar Falls, IA 50613 2831A+5.0 ★Texas Ratio: 3.75% offering Youth Certificates 3 Month Add-On at 4.00% APY, Green Belt Bank & TrustGreen Belt Bank & Trust120 E Main St, Belmond, IA 50421A+5.0 ★Texas Ratio: 0.70% offering 24 Month Legacy CD at 4.00% APY, and Vibrant Credit UnionVibrant Credit Union4400 16th St, Moline, IL 61265A-5.0 ★Texas Ratio: 15.61% offering 6-Month CD Special at 4.00% APY.
To help you find the best CD rates in Mapleton, Iowa, and the surrounding area,, use our comprehensive rate tables for side-by-side comparisons across all 8 CD terms from local and national banks and credit unions, to ensure you find the best CD rates available.
The Annual Percentage Yields (APYs) displayed reflect actual verified offers from top-rated institutions. Rates are subject to change at the institution's discretion without notice and may depend on your initial funding amount. A substantial penalty may be imposed for early withdrawal, which could reduce earnings on the account. CD Rates Last Updated and Verified: March 23, 2026
Compare local Mapleton, IA CD rate quotes against the statewide average
Weekly CD rate averages tracked across our database of 8,500+ banks and credit unions — updated every evening.
Iowa 12-month CD rates fell 0.070 points this week to 2.423% APY, down from 2.493% last week.
Iowa 6-month CD rates fell 0.922 points this week to 2.157% APY, down from 3.079% last week.
Loyalty Program
CD special is available for a limited time.
Loyalty Program
Loyalty Program
Loyalty Program
$100,000 & over
$1,000-$99,999
(1)(Variable)
DB4 of; & IRA
(1)(Variable)
DB4 of
$25,000 and above
$10,000-24,999
$1,000-9,999
$100,000 & over
To qualify the individual must be 18 years of age or younger.; Two additional deposits may be made during the 12 month term; minimum deposit of $100 required for each deposit.
$1,000-$99,999
penalty for early withdrawal. Rate as of 3/13/2026 and subject to change.
Limited Time Only
$100,000 & over
$1,000-$99,999
$100,000 and over
$100,000 and over
$100,000 & over
$100,000 and over
$100,000 and over
$1,000-$99,999
$50,000 to $99,999.99
$50,000 to $99,999.99
$100,000 and over
$100,000 and over
$100,000 & over
$50,000 to $99,999.99
$50,000 to $99,999.99
$1,000-$99,999
$1000 to $49,999.99
$1000 to $49,999.99
$100,000 and over
$100,000 & over
$50,000 to $99,999.99
$1,000-$99,999
$1000 to $49,999.99
$100,000 and over
Direct-Sourced & Verified CD Rate Data: We aggregate certificate of deposit (CD) rates for Mapleton, Iowa directly from the official websites of banks and credit unions using our proprietary rate aggregation technology and a dedicated team of rate updaters. By pulling data straight from the institutions' own digital properties and manually verifying yields daily, every rate on MonitorBankRates.com is highly accurate and trustworthy.
Local, Regional, and National Coverage: Our systems constantly monitor the market to provide a complete picture of available yields in Mapleton, Iowa. We feature a comprehensive mix of institutions — from neighborhood credit unions and competitive regional banks to high-yield CDs from large national institutions available to savers in IA.
Daily Updates & Time-Stamped Accuracy: Our rate updaters verify and update CD rates daily. Because yields can fluctuate rapidly, every CD product listed features its own specific “last updated” date for full transparency.