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Grinnell State Bank Rates & Review April 2026

Grinnell State Bank's 6-Month CD rates are at 3.68%, 6-Month Certificates of Deposit rates are at 3.68%, 6-Month CD rates are at 3.58%, 6-Month Certificates of Deposit rates are at 3.58%, 15-Month CD with Bump rates are at 3.55%. Grinnell State Bank's savings rates are at 0.75%. MonitorBankRates evaluates the financial stability of Grinnell State Bank with a 5.0 Star Rating and an A+ Overall Health Grade. Rates were last updated on 04/03/2026.

Grinnell State Bank money market rates, and other rates, are continually updated to reflect market conditions. We recommend checking back frequently to get the best money market rates and other rates available. Have you opened an account or have any experiences at Grinnell State Bank? Share your experience about Grinnell State Bank by leaving a review below, or read customer reviews before you decide to use Grinnell State Bank.

Overall Health & Safety Grade ?
A+
Exceptional Health Score: 100/100
MonitorBankRates Rating ?
5.0
Exceptional Out of 5.0 Stars
Texas Ratio ?
--
No Data No data
Grinnell State Bank
814 4th Ave
Grinnell, IA 50112
https://www.grinnell.bank
Member FDIC

Grinnell State Bank CD Rates

Product Rate APY Term View More
6 Month CD - 3.68% 6
Min Deposit $50,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
6 month Certificates of Deposit 3.65% 3.68% 6
Min Deposit $50,000
Details DB4 of & IRA
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
6 Month CD - 3.58% 6
Min Deposit $15,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
6 month Certificates of Deposit 3.55% 3.58% 6
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
15 Month CD with Bump - 3.55% 15
Min Deposit $15,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
15 month with Bump Certificates of Deposit 3.50% 3.55% 15
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
33 Month CD with Bump - 3.55% 33
Min Deposit $15,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
33 month with Bump Certificates of Deposit 3.50% 3.55% 33
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
15 month with Bump Certificates of Deposit 3.40% 3.44% 15
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
33 month with Bump Certificates of Deposit 3.40% 3.44% 33
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
60 month Certificates of Deposit 2.50% 2.52% 60
Min Deposit $50,000
Details DB4 of & IRA
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
48 month Certificates of Deposit 2.40% 2.42% 48
Min Deposit $50,000
Details DB4 of & IRA
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
60 month Certificates of Deposit 2.40% 2.42% 60
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
36 month Certificates of Deposit 2.30% 2.32% 36
Min Deposit $50,000
Details DB4 of & IRA
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
42 month Certificates of Deposit 2.30% 2.32% 42
Min Deposit $50,000
Details DB4 of & IRA
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
48 month Certificates of Deposit 2.30% 2.32% 48
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
60 month Certificates of Deposit 2.30% 2.32% 60
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
12 month Certificates of Deposit 2.25% 2.27% 12
Min Deposit $50,000
Details DB4 of & IRA
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
18 month Certificates of Deposit 2.25% 2.27% 18
Min Deposit $50,000
Details DB4 of & IRA
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
24 month Certificates of Deposit 2.25% 2.27% 24
Min Deposit $50,000
Details DB4 of & IRA
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
3 month Certificates of Deposit 2.25% 2.27% 3
Min Deposit $50,000
Details DB4 of & IRA
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
30 month Certificates of Deposit 2.25% 2.27% 30
Min Deposit $50,000
Details DB4 of & IRA
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
36 month Certificates of Deposit 2.20% 2.22% 36
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
42 month Certificates of Deposit 2.20% 2.22% 42
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
48 month Certificates of Deposit 2.20% 2.22% 48
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
12 month Certificates of Deposit 2.15% 2.17% 12
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
18 month Certificates of Deposit 2.15% 2.17% 18
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
24 month Certificates of Deposit 2.15% 2.17% 24
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
3 month Certificates of Deposit 2.15% 2.17% 3
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
30 month Certificates of Deposit 2.15% 2.17% 30
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
36 month Certificates of Deposit 2.10% 2.12% 36
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
42 month Certificates of Deposit 2.10% 2.12% 42
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
12 month Certificates of Deposit 2.05% 2.07% 12
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
18 month Certificates of Deposit 2.05% 2.07% 18
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
24 month Certificates of Deposit 2.05% 2.07% 24
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
3 month Certificates of Deposit 2.05% 2.07% 3
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
30 month Certificates of Deposit 2.05% 2.07% 30
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
30-90 Day Certificates of Deposit 2.05% 2.07% 30-90
Min Deposit $50,000
Details DB4 of & IRA
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
6 Month Certificate - 2.06% 6
Min Deposit $1,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
6 month Certificates of Deposit 2.05% 2.06% 6
Min Deposit $1,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
30-90 Day Certificates of Deposit 2.03% 2.05% 30-90
Min Deposit $15,000
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
30-90 Day Certificates of Deposit 2.01% 2.03% 30-90
Min Deposit $2,500
Details DB4 of
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%

Grinnell State Bank Savings Rates

Product Rate APY View More
Simply Savings 0.75% 2.02%
Min Balance $25,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Simply Savings (Personal & Business) 2.00% 2.02%
Min Balance $0
Details Qualifying balance up to $500.00
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
AB Savings (Personal & Business) 1.75% 1.76%
Min Balance $200,000
Details Minimum to open $100
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
AB Savings (Personal & Business) 1.50% 1.51%
Min Balance $100,000
Details Minimum to open $100; Qualifying balance up to $199,999.99
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Simply Savings 0.80% 1.39%
Min Balance $50,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Simply Savings (Personal & Business) 0.80% 1.39%
Min Balance $50,000
Details Qualifying balance up to $100,000.00
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
AB Savings (Personal & Business) 1.25% 1.26%
Min Balance $50,000
Details Minimum to open $100; Qualifying balance up to $99,999.99
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Simply Savings 0.85% 1.09%
Min Balance $100,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Simply Savings (Personal & Business) 0.85% 1.09%
Min Balance $100,000
Details Qualifying balance up to $200,000.00
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
AB Savings (Personal & Business) 1.00% 1.00%
Min Balance $5,000
Details Minimum to open $100; Qualifying balance up to $49,999.99
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Business Money Market Savings 1.00% 1.00%
Min Deposit $10,000
Min Balance $25,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Simply Savings 0.90% 0.97%
Min Balance $200,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Simply Savings (Personal & Business) 0.90% 0.97%
Min Balance $200,000
Details Qualifying balance up to $1,000,000.00
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
AB Savings (Personal & Business) 0.75% 0.75%
Min Balance $0
Details Minimum to open $100; Qualifying balance up to $499.99
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Business Money Market Savings 0.75% 0.75%
Min Deposit $10,000
Min Balance $10,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Money Market Savings 0.75% 0.75%
Min Balance $25,000
Details Money Market Savings Minimum to open $100; Minimum for APY $25,000 AB7
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%

Grinnell State Bank Money Market Rates

Product Rate APY View More
Business Money Market Savings 1.00% 1.00%
Min Deposit $10,000
Min Balance $25,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Business Money Market Savings 0.75% 0.75%
Min Deposit $10,000
Min Balance $10,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Money Market Savings 0.75% 0.75%
Min Balance $25,000
Details Money Market Savings Minimum to open $100; Minimum for APY $25,000 AB7
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%

Grinnell State Bank Checking Rates

Product Rate APY View More
Premier Checking 0.35% 0.35%
Min Balance $200,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Premier Checking 0.30% 0.30%
Min Balance $100,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Full Service Checking 0.25% 0.25%
Min Balance $25,000
Details Interest Bearing Checking Account Minimum to open $100; Minimum for APY $2500 AB7
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Premier Checking 0.25% 0.25%
Min Balance $50,000
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Full Service Checking 0.20% 0.20%
Min Balance $10,000
Details Interest Bearing Checking Account Minimum to open $100; Minimum for APY $2500 AB7
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Full Service Checking 0.15% 0.15%
Min Balance $2,500
Details Interest Bearing Checking Account Minimum to open $100; Minimum for APY $2500 AB7
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%
Premier Checking 0.15% 0.15%
Min Balance $0
Details AB7
Last Updated 04/03/2026
Institution Ratings
5.0
Star Rating
A+
Health Grade
Texas Ratio: 0.00%

Methodology & Data Sources

MonitorBankRates Star Rating: Our rating for Grinnell State Bank is derived from comprehensive financial data published quarterly by the FDIC. Our proprietary rating system evaluates financial stability (including the Texas Ratio and capitalization) and combines it with customer feedback (user reviews) to help you make informed banking decisions.

Texas Ratio: We calculate the Texas Ratio using standard industry methodology. This ratio compares the bank's non-performing assets to its tangible common equity and loan loss reserves to assess financial health.

Rate Data Aggregation: We gather Grinnell State Bank rates using proprietary online rate aggregation technology. Our systems scan constantly to provide the most recent rates available to our visitors.

Disclaimer: Interest rates are variable and subject to change without notice. While we strive for accuracy, rates can change rapidly based on market conditions. It is always advisable to check with Grinnell State Bank's official website for the most current offers and terms.

Bank Profile & Overview

Institution Name Grinnell State Bank
Bank Holding Company GRINNELL BANCSHARES INC
Address 814 4th Ave, Grinnell, IA 50112  ·  Poweshiek
FDIC Certificate # 11347
Established 10/25/1925
FDIC Insurance Date 01/01/1934
Domestic Offices 4
Total Branches 4
Regulator FDIC
FDIC Insured ✓ Yes — Up to $250,000

Financial Health & Assets

A+
Overall Health Grade Score: 100/100
5.0
Exceptional Out of 5.0 Stars
0.00%
Texas Ratio Nat'l avg: 5.85%
Return on Assets (ROA) 0.6327%
Return on Equity (ROE) 8.6300%
Non-Performing Loans (NPL) 0.00%
Total Assets $500,279,000
Total Deposits $347,946,000
Equity Capital $48,083,000
Net Income $4,695,000
Headquarters Grinnell
Total Offices 4
Source: FDIC  |  Last Updated 12/31/2025

Customer Reviews

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Frequently Asked Questions About Grinnell State Bank

Is Grinnell State Bank a safe place to deposit money?

Yes, Grinnell State Bank is considered a safe financial institution. Your accounts are federally insured by the FDIC (Federal Deposit Insurance Corporation) up to $250,000 per depositor, for each account ownership category.

How many branches does Grinnell State Bank operate?

Grinnell State Bank currently maintains approximately 4 branch location(s). Physical branches allow members to access in-person services such as notary consultations and safe deposit boxes.

Is there a first-time homebuyer program?

Currently, Grinnell State Bank does not list a specific first-time homebuyer program, but they provide a range of mortgage and home equity products to assist members with property financing.

Are credit management and repair services offered?

While formal credit repair services are not currently listed, Grinnell State Bank provides members with tools to manage their accounts and build a solid financial history.

Does Grinnell State Bank offer online and mobile banking?

Most modern institutions like Grinnell State Bank provide digital access. This includes the ability to check balances, transfer funds, deposit checks via mobile app, and view statements online. You can usually find these services at their official website: https://www.grinnell.bank.

Current Grinnell State Bank Rates

  • 12-Month CD2.07%
  • 18-Month CD2.07%
  • 24-Month CD2.07%
  • 36-Month CD2.12%
  • 48-Month CD2.22%
  • 60-Month CD2.32%
  • Savings0.75%
Retrieved from our database of financial products. Rates subject to change.