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Iowa Savings Rate Trends

Grinnell, Iowa (IA) Savings Rates - March 2026

The best savings rates for Grinnell, Iowa and the surrounding area include Grinnell State BankGrinnell State Bank814 4th Ave, Grinnell, IA 50112A+5.0 ★Texas Ratio: 0.00% Simply Savings at 2.02% APY, Community 1st Credit Union Ottumwa, IACommunity 1st Credit Union Ottumwa, IA205 West St, Grinnell, IA 50112 2313B-4.3 ★Texas Ratio: 23.52% ClubGo Savings at 1.00% APY, Lincoln Savings BankLincoln Savings Bank1025 Main St, Grinnell, IA 50112A-5.0 ★Texas Ratio: 15.31% Savings (Interest Compounded Quarterly) at 0.25% APY, Wells FargoWells Fargo833 4th Ave, Grinnell, IA 50112A5.0 ★Texas Ratio: 7.44% Retirement High Yield Savings at 0.05% APY, and Fidelity Bank & Trust (IA)Fidelity Bank & Trust (IA)124 1st St Se, Waverly, IA 50677A+5.0 ★Texas Ratio: 1.72% Snap $tack Savings at 5.12% APY. Savings rates as of March 25, 2026 according to verified data from MonitorBankRates.

To see how these savings rates in Grinnell, Iowa, and the surrounding area, compare, use our comprehensive tables below for side-by-side comparisons to find the best savings rates available. Rates in Grinnell, Iowa (IA) are continually updated — we recommend checking back frequently.

Savings rates reflect recent market quotes and representative offers available to depositors in Grinnell, Iowa and the surrounding area. Last Updated and Verified: March 25, 2026

Compare the Best Savings Rates in Grinnell, Iowa & Surrounding Communities

Source: Verified Savings Rate Data provided by MonitorBankRates
Institution
Product
APY
Min Deposit
Profile
Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
Simply Savings
2.02%
$0
Rate0.75%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
Simply Savings (Personal & Business)
2.02%
$0
Rate2.00%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

Qualifying balance up to $500.00

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
AB Savings (Personal & Business)
1.76%
$0
Rate1.75%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

$200,000.00 +; Minimum to open $100

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
AB Savings (Personal & Business)
1.51%
$0
Rate1.50%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

$100,000.00 to $199,999.99; Minimum to open $100

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
Simply Savings
1.39%
$0
Rate0.80%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
Simply Savings (Personal & Business)
1.39%
$0
Rate0.80%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

Qualifying balance up to $100,000.00

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
AB Savings (Personal & Business)
1.26%
$0
Rate1.25%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

$50,000.00 to $99,999.99; Minimum to open $100

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
Simply Savings
1.09%
$0
Rate0.85%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
Simply Savings (Personal & Business)
1.09%
$0
Rate0.85%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

Qualifying balance up to $200,000.00

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
Business Money Market Savings
1.00%
$10,000
Rate1.00%
Min Deposit$10,000
Min Balance
UpdatedMar 23, 2026
Details

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
AB Savings (Personal & Business)
1.00%
$0
Rate1.00%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

$5,000.00 to $49,999.99; Minimum to open $100

Community 1st Credit Union Ottumwa, IA
Institution Rating:
B-4.3 ★Texas Ratio: 23.52%
205 West St, Grinnell, IA 50112 2313
ClubGo Savings
1.00%
$0
Rate1.00%
Min Deposit$0
Min Balance
UpdatedMar 25, 2026
Details

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
Simply Savings
0.97%
$0
Rate0.90%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
Simply Savings (Personal & Business)
0.97%
$0
Rate0.90%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

Qualifying balance up to $1,000,000.00

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
AB Savings (Personal & Business)
0.75%
$0
Rate0.75%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

$0.00 to $499.99; Minimum to open $100

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
Business Money Market Savings
0.75%
$10,000
Rate0.75%
Min Deposit$10,000
Min Balance
UpdatedMar 23, 2026
Details

Grinnell State Bank
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
814 4th Ave, Grinnell, IA 50112
Money Market Savings
0.75%
$0
Rate0.75%
Min Deposit$0
Min Balance
UpdatedMar 23, 2026
Details

Money Market Savings Minimum to open $100; Minimum for APY $25,000 AB7

Lincoln Savings Bank
Institution Rating:
A-5.0 ★Texas Ratio: 15.31%
1025 Main St, Grinnell, IA 50112
Savings (Interest Compounded Quarterly)
0.25%
$0
Rate0.25%
Min Deposit$0
Min Balance
UpdatedMar 21, 2026
Details

Community 1st Credit Union Ottumwa, IA
Institution Rating:
B-4.3 ★Texas Ratio: 23.52%
205 West St, Grinnell, IA 50112 2313
Secondary Savings
0.15%
$0
Rate0.15%
Min Deposit$0
Min Balance
UpdatedMar 25, 2026
Details

Community 1st Credit Union Ottumwa, IA
Institution Rating:
B-4.3 ★Texas Ratio: 23.52%
205 West St, Grinnell, IA 50112 2313
Primary Savings
0.15%
$0
Rate0.15%
Min Deposit$0
Min Balance
UpdatedMar 25, 2026
Details

Wells Fargo
Institution Rating:
A5.0 ★Texas Ratio: 7.44%
833 4th Ave, Grinnell, IA 50112
Retirement High Yield Savings
0.05%
$0
Rate0.05%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Wells Fargo
Institution Rating:
A5.0 ★Texas Ratio: 7.44%
833 4th Ave, Grinnell, IA 50112
Platinum Savings
0.05%
$25
Rate0.05%
Min Deposit$25
Min Balance
UpdatedMar 22, 2026
Details

Avoid the $12 monthly service fee with a $3,500 minimum daily balance each fee period.; $25 minimum opening deposit

Wells Fargo
Institution Rating:
A5.0 ★Texas Ratio: 7.44%
833 4th Ave, Grinnell, IA 50112
Platinum Savings
0.02%
$25
Rate0.02%
Min Deposit$25
Min Balance
UpdatedMar 22, 2026
Details

Avoid the $12 monthly service fee with a $3,500 minimum daily balance each fee period.; $25 minimum opening deposit

Wells Fargo
Institution Rating:
A5.0 ★Texas Ratio: 7.44%
833 4th Ave, Grinnell, IA 50112
Way2Save® Savings
0.01%
$25
Rate0.01%
Min Deposit$25
Min Balance
UpdatedMar 22, 2026
Details

$25 minimum opening deposit

Wells Fargo
Institution Rating:
A5.0 ★Texas Ratio: 7.44%
833 4th Ave, Grinnell, IA 50112
Platinum Savings
0.01%
$25
Rate0.01%
Min Deposit$25
Min Balance
UpdatedMar 22, 2026
Details

Avoid the $12 monthly service fee with a $3,500 minimum daily balance each fee period.; $25 minimum opening deposit

Fidelity Bank & Trust (IA)
Institution Rating:
A+5.0 ★Texas Ratio: 1.72%
124 1st St Se, Waverly, IA 50677
Snap $tack Savings
5.12%
$1,000
Rate5.00%
Min Deposit$1,000
Min Balance
UpdatedMar 25, 2026
Details

Qualifying balance up to $5,000.00

First Federal Credit Union
Institution Rating:
A5.0 ★Texas Ratio: 12.07%
425 1st Ave SW, Cedar Rapids, IA 52405
Kids First Savings
5.00%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 18, 2026
Details

Qualifying balance up to $500.00

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
3230 Ridge Pt, Bettendorf, IA 52722
Digital Advantage Savings
4.40%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
3230 Ridge Pt, Bettendorf, IA 52722
Elite Savings
4.25%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
3230 Ridge Pt, Bettendorf, IA 52722
Premier Savings
4.25%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Cedar Rapids Bank and Trust Company
Institution Rating:
A+5.0 ★Texas Ratio: 3.72%
422 Commercial St, Waterloo, IA 50701
A savings account designed for children 18 years of age and under
4.00%
$1
Rate0.00%
Min Deposit$1
Min Balance
UpdatedMar 25, 2026
Details

Affinity Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.17%
475 NW Hoffman Ln, Des Moines, IA 50313 2261
Building Better Savings
4.00%
$0
Rate4.00%
Min Deposit$0
Min Balance
UpdatedMar 24, 2026
Details

Qualifying balance up to $5,000.00

IH Mississippi Valley Credit Union
Institution Rating:
B4.6 ★Texas Ratio: 20.04%
1703 11th St, De Witt, IA 52742 1297
SavingsBooster
4.00%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
3230 Ridge Pt, Bettendorf, IA 52722
Preferred Savings
4.00%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
3230 Ridge Pt, Bettendorf, IA 52722
Premier Savings
3.75%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
3230 Ridge Pt, Bettendorf, IA 52722
Elite Savings
3.75%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Iowa Trust & SB Emmetsburg, IA
Institution Rating:
A5.0 ★Texas Ratio: 6.30%
500 W Main St, Sac City, IA 50583
High Yield Savings Account
3.70%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

No fees; No hassle; No worries

MidWestOne Bank
Institution Rating:
A+5.0 ★Texas Ratio: 4.78%
300 E 2nd St, Muscatine, IA 52761
High-Yield Savings
3.60%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Contact your local banker for more details!

MidWestOne Bank
Institution Rating:
A+5.0 ★Texas Ratio: 4.78%
300 E 2nd St, Muscatine, IA 52761
Business High-Yield Savings
3.60%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Contact your local banker for more details!

MidWestOne Bank
Institution Rating:
A+5.0 ★Texas Ratio: 4.78%
300 E 2nd St, Muscatine, IA 52761
Business High Yield Savings
3.60%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Introductory APY

MidWestOne Bank
Institution Rating:
A+5.0 ★Texas Ratio: 4.78%
300 E 2nd St, Muscatine, IA 52761
High Yield Savings
3.60%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Introductory APY

Iowa State B&T Co. of Fairfield, IA
Institution Rating:
A+5.0 ★Texas Ratio: 0.00%
55 S 4th St, Fairfield, IA 52556
High Yield Savings
3.56%
$0
Rate3.50%
Min Deposit$0
Min Balance
UpdatedMar 21, 2026
Details

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
3230 Ridge Pt, Bettendorf, IA 52722
Elite Savings
3.50%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
3230 Ridge Pt, Bettendorf, IA 52722
Premier Savings
3.50%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

IH Mississippi Valley Credit Union
Institution Rating:
B4.6 ★Texas Ratio: 20.04%
1703 11th St, De Witt, IA 52742 1297
SavingsBooster
3.50%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
3230 Ridge Pt, Bettendorf, IA 52722
Community Business Savings
3.25%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Dupaco Community Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.16%
3299 Hillcrest Rd, Dubuque, IA 52001 3928
Launchpad Savings Account
3.25%
$0
Rate3.21%
Min Deposit$0
Min Balance
UpdatedMar 25, 2026
Details

Max Balance $1,000

IH Mississippi Valley Credit Union
Institution Rating:
B4.6 ★Texas Ratio: 20.04%
1703 11th St, De Witt, IA 52742 1297
SavingsBooster
3.00%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
3230 Ridge Pt, Bettendorf, IA 52722
Preferred Savings
3.00%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Vibrant Credit Union
Institution Rating:
A-5.0 ★Texas Ratio: 15.61%
3230 Ridge Pt, Bettendorf, IA 52722
Premier Savings
3.00%
$0
Rate0.00%
Min Deposit$0
Min Balance
UpdatedMar 22, 2026
Details

Midwest Community Federal Credit Union
Institution Rating:
A5.0 ★Texas Ratio: 7.16%
13300 Hickman Rd, Clive, IA 50325 8616
Grow & Go Savings Account
2.50%
$0
Rate2.50%
Min Deposit$0
Min Balance
UpdatedMar 24, 2026
Details

Qualifying balance up to $1,000.00

Dupaco Community Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.16%
3299 Hillcrest Rd, Dubuque, IA 52001 3928
High-Yield Savings
2.45%
$50,000
Rate2.42%
Min Deposit$50,000
Min Balance
UpdatedMar 25, 2026
Details

Members1st Community Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 3.76%
104 W Anson St, Marshalltown, IA 50158
Money Market Savings
2.27%
$0
Rate2.25%
Min Deposit$0
Min Balance
UpdatedMar 20, 2026
Details

Minimum of $2,500 to earn dividends

Dupaco Community Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.16%
3299 Hillcrest Rd, Dubuque, IA 52001 3928
Bright Savings Online-Only Savings Account
2.25%
$0
Rate2.23%
Min Deposit$0
Min Balance
UpdatedMar 25, 2026
Details

Qualifications Required: eStatements enrollment; Online Only

Dupaco Community Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.16%
3299 Hillcrest Rd, Dubuque, IA 52001 3928
High-Yield Savings
2.25%
$50,000
Rate2.23%
Min Deposit$50,000
Min Balance
UpdatedMar 25, 2026
Details

Journey Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 5.71%
1400 2nd Ave, Des Moines, IA 50314 3403
IRA Share Savings
2.17%
$0
Rate2.15%
Min Deposit$0
Min Balance
UpdatedMar 24, 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.

Banks and Credit Unions: If you identify an incorrect rate or wish to request the removal of your institution’s data, please contact us here.

Grinnell, IA Savings Rate Trends

Compare local Grinnell, IA savings rate quotes against the statewide average

Weekly savings rate averages tracked across our database of 8,500+ banks and credit unions — updated every evening.

View Full Iowa Savings Trends →
High-Yield Savings — IA Avg
1.936%
▲ 0.599 from last week

Iowa high-yield savings rates rose 0.599 points this week to 1.936% APY, up from 1.337% last week.

Standard Savings — IA Avg
0.603%
▲ 0.233 from last week

Iowa standard savings rates rose 0.233 points this week to 0.603% APY, up from 0.371% last week.

As of Mar 26, 2026 • Rate data sourced from 8,500+ monitored institutions Powered by MonitorBankRates

Methodology & Data Sources

Direct-Sourced & Verified Savings Rate Data: We aggregate savings account rates for Grinnell, Iowa directly from the official websites of banks and credit unions using our proprietary rate aggregation technology and a dedicated team of rate updaters. Every savings rate displayed 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 Grinnell, Iowa. We feature a comprehensive mix of institutions — from neighborhood credit unions and competitive regional banks to large national institutions available to savers in IA.

Daily Updates & Time-Stamped Accuracy: Our rate updaters verify and update savings rates daily. Because savings account yields can fluctuate rapidly, every product listed features its own specific “last updated” date, giving you complete transparency.

Frequently Asked Questions about Savings Accounts in Grinnell, Iowa

What is a High-Yield Savings Account (HYSA)?

A High-Yield Savings Account (HYSA) typically pays significantly higher interest than standard accounts at national brick-and-mortar banks. These accounts, often found at online banks or local credit unions in Iowa, help your money grow faster through a higher APY.

Are savings accounts in Grinnell, Iowa safe?

Yes, as long as the institution is FDIC insured (for banks) or NCUA insured (for credit unions). This provides federal protection for your deposits in Iowa up to $250,000 per depositor, per institution.

How often do savings rates change in Grinnell, Iowa?

Savings rates are variable and can change at any time based on market conditions and Federal Reserve decisions. We update our local Iowa rate tables daily to ensure you see the most current high-yield options.

Do I need a minimum deposit to open a savings account?

It depends on the bank. Many online high-yield savings accounts have no minimum deposit requirement, while some traditional banks in Grinnell, Iowa may require $25–$100 to open an account.

What is the difference between a Savings Account and a Money Market Account?

Both pay interest and are federally insured. Money Market Accounts (MMAs) often come with check-writing privileges or a debit card, making them more flexible, whereas standard savings accounts typically do not.

Are online banks better than local banks in Grinnell, Iowa?

Online banks often offer higher APYs because they have lower overhead costs. However, local banks in Grinnell, Iowa offer in-person customer service, which some customers prefer.

How do I open a savings account in Grinnell, Iowa?

You can open a savings account online or in-person. You will generally need a government-issued ID, your Social Security number, and an initial deposit to get started.

Best Savings Rates in Grinnell, Iowa

Here are recent savings rates observed in Grinnell, Iowa and the surrounding area:
  • Grinnell State Bank
    Simply Savings — 2.02% APY
  • Community 1st Credit Union Ottumwa, IA
    ClubGo Savings — 1.00% APY
  • Lincoln Savings Bank
    Savings (Interest Compounded Quarterly) — 0.25% APY
  • Wells Fargo
    Retirement High Yield Savings — 0.05% APY
  • Fidelity Bank & Trust (IA)
    Snap $tack Savings — 5.12% APY
Savings Rates reflect actual verified offers from banks and credit unions actively accepting deposits in Grinnell, Iowa. Your final available rate may depend on deposit amount and daily market movements. Last Updated and Verified: March 25, 2026