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Iowa CD Rate Trends

CD Rates Mapleton, Iowa (IA) for March 2026

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

Mapleton, IA CD Rate Trends

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.

View Full Iowa CD Trends →
12-Month CD — IA Avg
2.423%
▼ 0.070 from last week

Iowa 12-month CD rates fell 0.070 points this week to 2.423% APY, down from 2.493% last week.

6-Month CD — IA Avg
2.157%
▼ 0.922 from last week

Iowa 6-month CD rates fell 0.922 points this week to 2.157% APY, down from 3.079% last week.

As of Mar 23, 2026 • Rate data sourced from 8,500+ monitored institutions Powered by MonitorBankRates

Compare Best CD Rates in Mapleton, Iowa & the Surrounding Area

Source: Verified CD Rate Data provided by MonitorBankRates
Institution
Product
Min Deposit
APY
Profile
Cedar Falls Community Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 3.75%
123 W 4th St, Cedar Falls, IA 50613 2831
Youth Certificates 3 Month Add-On
$100
4.00%
Rate3.94%
Min Deposit$100
Min Balance
UpdatedMar 16, 2026
Details

Bankers Trust Company
Institution Rating:
A+5.0 ★Texas Ratio: 2.53%
453 7th St, Des Moines, IA 50309
3 Month Certificates of Deposit Platinum Tier
$0
3.80%
Rate
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

Loyalty Program

BankIowa
Institution Rating:
A5.0 ★Texas Ratio: 10.36%
114 Ely St, Rowley, IA 52329
3 month CD Special
$0
3.75%
Rate3.70%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

BankIowa
Institution Rating:
A5.0 ★Texas Ratio: 10.36%
114 Ely St, Rowley, IA 52329
3-Month CD Special
$500
3.75%
Rate
Min Deposit$500
Min Balance
UpdatedMar 17, 2026
Details

CD special is available for a limited time.

Bankers Trust Company
Institution Rating:
A+5.0 ★Texas Ratio: 2.53%
453 7th St, Des Moines, IA 50309
3 Month Certificates of Deposit Gold Tier
$0
3.70%
Rate
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

Loyalty Program

Bankers Trust Company
Institution Rating:
A+5.0 ★Texas Ratio: 2.53%
453 7th St, Des Moines, IA 50309
3 Month Certificates of Deposit Silver Tier
$0
3.60%
Rate
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

Loyalty Program

Unite Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 1.37%
802 W 29th St, Cedar Falls, IA 50613 5022
3-Month Certificate
$0
3.50%
Rate3.46%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

Bankers Trust Company
Institution Rating:
A+5.0 ★Texas Ratio: 2.53%
453 7th St, Des Moines, IA 50309
3 Month Certificates of Deposit Bronze Tier
$0
3.50%
Rate
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

Loyalty Program

Source: Verified CD Rate Data provided by MonitorBankRates
Institution
Product
Min Deposit
APY
Profile
Des Moines Metro Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.01%
100 University Ave, Des Moines, IA 50314 3121
6-month Share Certificate
$5,000
4.01%
Rate3.95%
Min Deposit$5,000
Min Balance
UpdatedMar 13, 2026
Details

Des Moines Metro Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.01%
100 University Ave, Des Moines, IA 50314 3121
IRA Share Certificates 6-month
$250
4.01%
Rate3.95%
Min Deposit$250
Min Balance
UpdatedMar 13, 2026
Details

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
4400 16th St, Moline, IL 61265
6-Month CD Special
$0
4.00%
Rate
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Peoples Credit Union Webster City, IA
Institution Rating:
B+4.8 ★Texas Ratio: 17.80%
310 1st ST, Webster City, IA 50595 2337
6 Month CD Limited Time Special
$0
3.90%
Rate
Min Deposit$0
Min Balance
UpdatedMar 21, 2026
Details

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
6 Month CD
$100,000
3.80%
Rate3.75%
Min Deposit$100,000
Min Balance
UpdatedMar 20, 2026
Details

$100,000 & over

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
6 Month CD
$1,000
3.70%
Rate3.65%
Min Deposit$1,000
Min Balance
UpdatedMar 20, 2026
Details

$1,000-$99,999

F&M State Bank Winterset, IA
Institution Rating:
A+5.0 ★Texas Ratio: 0.05%
101 W Jefferson St, Winterset, IA 50273
6 Month CD
$1,000
3.68%
Rate3.65%
Min Deposit$1,000
Min Balance
UpdatedMar 20, 2026
Details

Reliance State Bank
Institution Rating:
A5.0 ★Texas Ratio: 8.77%
606 Broad St, Story City, IA 50248
6 Month Certificates of Deposit
$25,000
3.68%
Rate3.65%
Min Deposit$25,000
Min Balance
UpdatedMar 21, 2026
Details

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
6 Month Certificate
$50,000
3.68%
Rate
Min Deposit$50,000
Min Balance
UpdatedMar 23, 2026
Details

(1)(Variable)

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
6 month Certificates of Deposit
$50,000
3.68%
Rate3.65%
Min Deposit$50,000
Min Balance
UpdatedMar 23, 2026
Details

DB4 of; & IRA

Iowa State Bank Clarksville, IA
Institution Rating:
C+4.1 ★Texas Ratio: 25.55%
100 N Main St, Clarksville, IA 50619
6 Month Time Certificates
$0
3.66%
Rate3.63%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
6 Month Certificate
$15,000
3.58%
Rate
Min Deposit$15,000
Min Balance
UpdatedMar 23, 2026
Details

(1)(Variable)

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
6 month Certificates of Deposit
$15,000
3.58%
Rate3.55%
Min Deposit$15,000
Min Balance
UpdatedMar 23, 2026
Details

DB4 of

Community Bank Dunlap, IA
Institution Rating:
A+5.0 ★Texas Ratio: 3.01%
131 E Main St, Ute, IA 51060
6-month CD
$5,000
3.53%
Rate
Min Deposit$5,000
Min Balance
UpdatedMar 16, 2026
Details

Reliance State Bank
Institution Rating:
A5.0 ★Texas Ratio: 8.77%
606 Broad St, Story City, IA 50248
6 Month Certificates of Deposit
$10,000
3.53%
Rate3.50%
Min Deposit$10,000
Min Balance
UpdatedMar 21, 2026
Details

Source: Verified CD Rate Data provided by MonitorBankRates
Institution
Product
Min Deposit
APY
Profile
Affinity Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.17%
475 NW Hoffman Ln, Des Moines, IA 50313 2261
12 month Certificates
$10,000
4.06%
Rate4.00%
Min Deposit$10,000
Min Balance
UpdatedMar 17, 2026
Details

FreedomBank Elkader, IA
Institution Rating:
A5.0 ★Texas Ratio: 8.43%
135 W Tilden St, Postville, IA 52162
12 Month IRA Certificates
$0
3.99%
Rate3.95%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Des Moines Metro Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.01%
100 University Ave, Des Moines, IA 50314 3121
1-year Share Certificate
$5,000
3.91%
Rate3.85%
Min Deposit$5,000
Min Balance
UpdatedMar 13, 2026
Details

Des Moines Metro Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.01%
100 University Ave, Des Moines, IA 50314 3121
IRA Share Certificates 1-year
$250
3.91%
Rate3.85%
Min Deposit$250
Min Balance
UpdatedMar 13, 2026
Details

Twin Cedars Bank
Institution Rating:
A+5.0 ★Texas Ratio: 1.84%
402 Merrill St, Bussey, IA 50044
12 Month CD*
$0
3.90%
Rate3.86%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Citizens Savings Bank Spillville, IA
Institution Rating:
A+5.0 ★Texas Ratio: 2.88%
101 Church St, Spillville, IA 52168
12 Month Certificate
$0
3.85%
Rate3.81%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

$25,000 and above

TruBank
Institution Rating:
A5.0 ★Texas Ratio: 10.56%
108 S Barnes St, What Cheer, IA 50268
6-12 Month CD Special
$0
3.85%
Rate3.80%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Citizens Savings Bank Spillville, IA
Institution Rating:
A+5.0 ★Texas Ratio: 2.88%
101 Church St, Spillville, IA 52168
12 Month Certificate
$0
3.80%
Rate3.76%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

$10,000-24,999

Citizens Savings Bank Spillville, IA
Institution Rating:
A+5.0 ★Texas Ratio: 2.88%
101 Church St, Spillville, IA 52168
12 Month Certificate
$0
3.75%
Rate3.72%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

$1,000-9,999

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
1 Year CD
$100,000
3.75%
Rate3.70%
Min Deposit$100,000
Min Balance
UpdatedMar 20, 2026
Details

$100,000 & over

Iowa State Bank Clarksville, IA
Institution Rating:
C+4.1 ★Texas Ratio: 25.55%
100 N Main St, Clarksville, IA 50619
12 Month Time Certificates
$0
3.74%
Rate3.71%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Luana Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.11%
100 Harvest Dr, Luana, IA 52156
12 Month KIDS CD & 2 Add-Ons
$500
3.73%
Rate3.70%
Min Deposit$500
Min Balance
UpdatedMar 20, 2026
Details

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.

Peoples Credit Union Webster City, IA
Institution Rating:
B+4.8 ★Texas Ratio: 17.80%
310 1st ST, Webster City, IA 50595 2337
12 Month CD Limited Time Special
$0
3.70%
Rate
Min Deposit$0
Min Balance
UpdatedMar 21, 2026
Details

Flanagan State Bank
Institution Rating:
A5.0 ★Texas Ratio: 10.36%
301 W Falcon Hwy, Flanagan, IL 61740
Large Depositor Special 12 Month
$250,000
3.65%
Rate3.60%
Min Deposit$250,000
Min Balance
UpdatedMar 20, 2026
Details

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
1 Year CD
$1,000
3.65%
Rate3.60%
Min Deposit$1,000
Min Balance
UpdatedMar 20, 2026
Details

$1,000-$99,999

Source: Verified CD Rate Data provided by MonitorBankRates
Institution
Product
Min Deposit
APY
Profile
FreedomBank Elkader, IA
Institution Rating:
A5.0 ★Texas Ratio: 8.43%
135 W Tilden St, Postville, IA 52162
18 Month IRA Certificates
$0
3.84%
Rate3.80%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Des Moines Metro Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.01%
100 University Ave, Des Moines, IA 50314 3121
18-month Share Certificate
$5,000
3.81%
Rate3.75%
Min Deposit$5,000
Min Balance
UpdatedMar 13, 2026
Details

Des Moines Metro Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.01%
100 University Ave, Des Moines, IA 50314 3121
IRA Share Certificates 18-month
$250
3.81%
Rate3.75%
Min Deposit$250
Min Balance
UpdatedMar 13, 2026
Details

Affinity Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.17%
475 NW Hoffman Ln, Des Moines, IA 50313 2261
18 month Certificates
$10,000
3.80%
Rate3.75%
Min Deposit$10,000
Min Balance
UpdatedMar 17, 2026
Details

Citizens Savings Bank Spillville, IA
Institution Rating:
A+5.0 ★Texas Ratio: 2.88%
101 Church St, Spillville, IA 52168
18 Month Certificate
$0
3.80%
Rate3.76%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

Charter Bank IA
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
5526 Nw 86th St, Johnston, IA 50131
18-Month CD Special
$10,000
3.80%
Rate
Min Deposit$10,000
Min Balance
UpdatedMar 18, 2026
Details

penalty for early withdrawal. Rate as of 3/13/2026 and subject to change.

Members1st Community Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 3.76%
104 W Anson St, Marshalltown, IA 50158
18-month CD Special
$500
3.75%
Rate
Min Deposit$500
Min Balance
UpdatedMar 20, 2026
Details

Twin Cedars Bank
Institution Rating:
A+5.0 ★Texas Ratio: 1.84%
402 Merrill St, Bussey, IA 50044
18 Month CD*
$0
3.75%
Rate3.72%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Iowa State Bank Clarksville, IA
Institution Rating:
C+4.1 ★Texas Ratio: 25.55%
100 N Main St, Clarksville, IA 50619
18 Month Time Certificates
$0
3.71%
Rate3.68%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Bellevue State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 3.00%
200 S 2nd St, Bellevue, IA 52031
Time Certificates 18 Month
$0
3.53%
Rate3.50%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

Source: Verified CD Rate Data provided by MonitorBankRates
Institution
Product
Min Deposit
APY
Profile
Green Belt Bank & Trust
Institution Rating:
A+5.0 ★Texas Ratio: 0.70%
120 E Main St, Belmond, IA 50421
24 Month Legacy CD
$20
4.00%
Rate
Min Deposit$20
Min Balance
UpdatedMar 20, 2026
Details

Iowa State Bank Clarksville, IA
Institution Rating:
C+4.1 ★Texas Ratio: 25.55%
100 N Main St, Clarksville, IA 50619
24 Month CD
$5,000
3.96%
Rate4.00%
Min Deposit$5,000
Min Balance
UpdatedMar 20, 2026
Details

Limited Time Only

FreedomBank Elkader, IA
Institution Rating:
A5.0 ★Texas Ratio: 8.43%
135 W Tilden St, Postville, IA 52162
24 Month IRA Certificates
$0
3.84%
Rate3.80%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Citizens Savings Bank Spillville, IA
Institution Rating:
A+5.0 ★Texas Ratio: 2.88%
101 Church St, Spillville, IA 52168
24 Month Certificate
$0
3.75%
Rate3.72%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
2 Year CD
$100,000
3.75%
Rate3.70%
Min Deposit$100,000
Min Balance
UpdatedMar 20, 2026
Details

$100,000 & over

Twin Cedars Bank
Institution Rating:
A+5.0 ★Texas Ratio: 1.84%
402 Merrill St, Bussey, IA 50044
24 Month CD*
$0
3.70%
Rate3.67%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
2 Year CD
$1,000
3.65%
Rate3.60%
Min Deposit$1,000
Min Balance
UpdatedMar 20, 2026
Details

$1,000-$99,999

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
24-MONTH CERTIFICATE
$100,000
3.56%
Rate3.50%
Min Deposit$100,000
Min Balance
UpdatedMar 21, 2026
Details

$100,000 and over

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
IRA & ESA Certificate of Deposit 24-MONTH CERTIFICATE
$0
3.56%
Rate3.50%
Min Deposit$0
Min Balance
UpdatedMar 21, 2026
Details

$100,000 and over

Affinity Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.17%
475 NW Hoffman Ln, Des Moines, IA 50313 2261
24 month Certificates
$10,000
3.55%
Rate3.50%
Min Deposit$10,000
Min Balance
UpdatedMar 17, 2026
Details

BankIowa
Institution Rating:
A5.0 ★Texas Ratio: 10.36%
114 Ely St, Rowley, IA 52329
24 month CD Special
$0
3.55%
Rate3.52%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

Source: Verified CD Rate Data provided by MonitorBankRates
Institution
Product
Min Deposit
APY
Profile
FreedomBank Elkader, IA
Institution Rating:
A5.0 ★Texas Ratio: 8.43%
135 W Tilden St, Postville, IA 52162
36 Month IRA Certificates
$0
3.79%
Rate3.75%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
3 Year CD
$100,000
3.75%
Rate3.70%
Min Deposit$100,000
Min Balance
UpdatedMar 20, 2026
Details

$100,000 & over

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
36-MONTH CERTIFICATE
$100,000
3.66%
Rate3.60%
Min Deposit$100,000
Min Balance
UpdatedMar 21, 2026
Details

$100,000 and over

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
IRA & ESA Certificate of Deposit 36-MONTH CERTIFICATE
$0
3.66%
Rate3.60%
Min Deposit$0
Min Balance
UpdatedMar 21, 2026
Details

$100,000 and over

Citizens Savings Bank Spillville, IA
Institution Rating:
A+5.0 ★Texas Ratio: 2.88%
101 Church St, Spillville, IA 52168
36 Month Certificate
$0
3.65%
Rate3.62%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
3 Year CD
$1,000
3.65%
Rate3.60%
Min Deposit$1,000
Min Balance
UpdatedMar 20, 2026
Details

$1,000-$99,999

Iowa State Bank Clarksville, IA
Institution Rating:
C+4.1 ★Texas Ratio: 25.55%
100 N Main St, Clarksville, IA 50619
36 Month Time Certificates
$0
3.60%
Rate3.57%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
36-MONTH CERTIFICATE
$50,000
3.56%
Rate3.50%
Min Deposit$50,000
Min Balance
UpdatedMar 21, 2026
Details

$50,000 to $99,999.99

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
IRA & ESA Certificate of Deposit 36-MONTH CERTIFICATE
$0
3.56%
Rate3.50%
Min Deposit$0
Min Balance
UpdatedMar 21, 2026
Details

$50,000 to $99,999.99

Journey Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 5.71%
1400 2nd Ave, Des Moines, IA 50314 3403
IRA 36 Month Share Certificate
$0
3.55%
Rate3.50%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

First Citizens Bank Mason City, IA
Institution Rating:
A5.0 ★Texas Ratio: 6.56%
2601 4th St Sw, Mason City, IA 50401
36-Month Term
$50,000
3.55%
Rate3.50%
Min Deposit$50,000
Min Balance
UpdatedMar 17, 2026
Details

First Citizens Bank Mason City, IA
Institution Rating:
A5.0 ★Texas Ratio: 6.56%
2601 4th St Sw, Mason City, IA 50401
36-Month Term IRA Certificates
$0
3.55%
Rate3.50%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

BankIowa
Institution Rating:
A5.0 ★Texas Ratio: 10.36%
114 Ely St, Rowley, IA 52329
36 month CD Special One Way
$0
3.50%
Rate3.47%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

Source: Verified CD Rate Data provided by MonitorBankRates
Institution
Product
Min Deposit
APY
Profile
FreedomBank Elkader, IA
Institution Rating:
A5.0 ★Texas Ratio: 8.43%
135 W Tilden St, Postville, IA 52162
48 Month IRA Certificates
$0
3.79%
Rate3.75%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
48-MONTH CERTIFICATE
$100,000
3.76%
Rate3.70%
Min Deposit$100,000
Min Balance
UpdatedMar 21, 2026
Details

$100,000 and over

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
IRA & ESA Certificate of Deposit 48-MONTH CERTIFICATE
$0
3.76%
Rate3.70%
Min Deposit$0
Min Balance
UpdatedMar 21, 2026
Details

$100,000 and over

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
4 Year CD
$100,000
3.75%
Rate3.70%
Min Deposit$100,000
Min Balance
UpdatedMar 20, 2026
Details

$100,000 & over

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
48-MONTH CERTIFICATE
$50,000
3.66%
Rate3.60%
Min Deposit$50,000
Min Balance
UpdatedMar 21, 2026
Details

$50,000 to $99,999.99

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
IRA & ESA Certificate of Deposit 48-MONTH CERTIFICATE
$0
3.66%
Rate3.60%
Min Deposit$0
Min Balance
UpdatedMar 21, 2026
Details

$50,000 to $99,999.99

Citizens Savings Bank Spillville, IA
Institution Rating:
A+5.0 ★Texas Ratio: 2.88%
101 Church St, Spillville, IA 52168
48 Month Certificate
$0
3.65%
Rate3.62%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
4 Year CD
$1,000
3.65%
Rate3.60%
Min Deposit$1,000
Min Balance
UpdatedMar 20, 2026
Details

$1,000-$99,999

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
4400 16th St, Moline, IL 61265
48-Month CD
$0
3.65%
Rate
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Iowa State Bank Clarksville, IA
Institution Rating:
C+4.1 ★Texas Ratio: 25.55%
100 N Main St, Clarksville, IA 50619
48 Month Time Certificates
$0
3.64%
Rate3.61%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
48-MONTH CERTIFICATE
$1,000
3.56%
Rate3.50%
Min Deposit$1,000
Min Balance
UpdatedMar 21, 2026
Details

$1000 to $49,999.99

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
IRA & ESA Certificate of Deposit 48-MONTH CERTIFICATE
$0
3.56%
Rate3.50%
Min Deposit$0
Min Balance
UpdatedMar 21, 2026
Details

$1000 to $49,999.99

First Citizens Bank Mason City, IA
Institution Rating:
A5.0 ★Texas Ratio: 6.56%
2601 4th St Sw, Mason City, IA 50401
48-Month Term
$50,000
3.55%
Rate3.50%
Min Deposit$50,000
Min Balance
UpdatedMar 17, 2026
Details

First Citizens Bank Mason City, IA
Institution Rating:
A5.0 ★Texas Ratio: 6.56%
2601 4th St Sw, Mason City, IA 50401
48-Month Term IRA Certificates
$0
3.55%
Rate3.50%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

Source: Verified CD Rate Data provided by MonitorBankRates
Institution
Product
Min Deposit
APY
Profile
Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
60-MONTH CERTIFICATE
$100,000
3.87%
Rate3.80%
Min Deposit$100,000
Min Balance
UpdatedMar 21, 2026
Details

$100,000 and over

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
5 Year CD
$100,000
3.85%
Rate3.80%
Min Deposit$100,000
Min Balance
UpdatedMar 20, 2026
Details

$100,000 & over

FreedomBank Elkader, IA
Institution Rating:
A5.0 ★Texas Ratio: 8.43%
135 W Tilden St, Postville, IA 52162
60 Month IRA Certificates
$0
3.79%
Rate3.75%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
60-MONTH CERTIFICATE
$50,000
3.76%
Rate3.70%
Min Deposit$50,000
Min Balance
UpdatedMar 21, 2026
Details

$50,000 to $99,999.99

New Albin Savings Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.06%
118 Main St Ne, New Albin, IA 52160
5 Year CD
$1,000
3.75%
Rate3.70%
Min Deposit$1,000
Min Balance
UpdatedMar 20, 2026
Details

$1,000-$99,999

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
60-MONTH CERTIFICATE
$1,000
3.66%
Rate3.60%
Min Deposit$1,000
Min Balance
UpdatedMar 21, 2026
Details

$1000 to $49,999.99

Serve Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 2.97%
423 E Court Ave, Des Moines, IA 50309 2010
IRA & ESA Certificate of Deposit 60-MONTH CERTIFICATE
$0
3.56%
Rate3.50%
Min Deposit$0
Min Balance
UpdatedMar 21, 2026
Details

$100,000 and over

First Citizens Bank Mason City, IA
Institution Rating:
A5.0 ★Texas Ratio: 6.56%
2601 4th St Sw, Mason City, IA 50401
60-Month Term
$50,000
3.55%
Rate3.50%
Min Deposit$50,000
Min Balance
UpdatedMar 17, 2026
Details

First Citizens Bank Mason City, IA
Institution Rating:
A5.0 ★Texas Ratio: 6.56%
2601 4th St Sw, Mason City, IA 50401
60-Month Term IRA Certificates
$0
3.55%
Rate3.50%
Min Deposit$0
Min Balance
UpdatedMar 17, 2026
Details

Community 1st Credit Union Ottumwa, IA
Institution Rating:
B-4.3 ★Texas Ratio: 23.52%
739 Pennsylvania Ave, Ottumwa, IA 52501
60 Month Certificate Account
$500
3.55%
Rate3.50%
Min Deposit$500
Min Balance
UpdatedMar 18, 2026
Details

The Annual Percentage Yields (APYs) displayed are based on the highest APY offered for the specified deposit amount or less. Rates may change without prior notice. The “Min Deposit” indicates the minimum amount required to earn the stated APY.

Banks and Credit Unions: If you identify an incorrect rate or wish to request removal from MonitorBankRates.com, please contact us here.

Frequently Asked Questions about CD Rates in Mapleton, Iowa

Are CD rates in Mapleton, Iowa FDIC insured?

Yes, most established banks in Mapleton, Iowa are insured by the FDIC up to $250,000 per depositor. Credit unions carry equivalent protection through the NCUA.

Do I have to pay state taxes on CD interest in Mapleton, Iowa?

Yes, interest earned on CDs is generally taxable income at both the federal and state levels. We recommend consulting a local tax professional regarding your specific obligations in Mapleton, Iowa.

Can I withdraw my money early from a CD?

You can, but most institutions charge an Early Withdrawal Penalty — typically a number of months of interest (e.g., 3 or 6 months). The exact amount varies by institution and CD term.

What is the difference between a Jumbo CD and a regular CD?

Jumbo CDs require a higher minimum deposit — traditionally $100,000 or more. In exchange, banks in Mapleton, Iowa may offer slightly higher APYs compared to standard CDs.

Are fixed-rate CDs better than variable-rate CDs?

Fixed-rate CDs lock in your APY for the full term, protecting you if rates drop. Variable-rate CDs allow your rate to rise with the market but may start with a lower initial yield.

What is a CD ladder?

A CD ladder involves opening multiple CDs with staggered maturity dates — for example 3-month, 6-month, 1-year, and 2-year. As each matures, you reinvest at the longest term, maximizing yield while maintaining regular access to a portion of your savings.

Best CD rates in Mapleton, Iowa?

Here are recent top rates found for this area:
  • Affinity Credit Union: 4.06% APY (12 month Certificates)
  • Des Moines Metro Credit Union: 4.01% APY (6-month Share Certificate)
  • Cedar Falls Community Credit Union: 4.00% APY (Youth Certificates 3 Month Add-On)
  • Green Belt Bank & Trust: 4.00% APY (24 Month Legacy CD)
  • Vibrant Credit Union: 4.00% APY (6-Month CD Special)
  • FreedomBank Elkader, IA: 3.99% APY (12 Month IRA Certificates)
  • Iowa State Bank Clarksville, IA: 3.96% APY (24 Month CD)
  • Twin Cedars Bank: 3.90% APY (12 Month CD*)
  • Peoples Credit Union Webster City, IA: 3.90% APY (6 Month CD Limited Time Special)
  • Serve Credit Union: 3.87% APY (60-MONTH CERTIFICATE)
Rates reflect recent verified offers available in Mapleton, Iowa. Last Updated: March 23, 2026

Methodology & Data Sources

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.

Disclaimer: Interest rates are variable and subject to change without notice. Verify current offers directly with the institution's official website. Last Updated and Verified: March 23, 2026