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 Grinnell State Bank Rates & Review June 2026
Content reviewed by
Brian McKay
Brian McKayFounder & Data ArchitectExpertise
Brian is the Founder of MonitorBankRates.com. For over 18 years, he has utilized his background in enterprise infrastructure to engineer proprietary systems that track rates from over 8,000 financial institutions.
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Editorial Disclosure
The rates displayed are actual, verified rates sourced directly from the official websites of banks and credit unions. Our editorial content is independent of any advertiser relationships.
✓Fact Checked
Rates Last Updated: June 16, 2026
Grinnell State Bank's 6-Months 6-Month Certificate rates are at 3.68%, 6-Month Certificate of Deposit Special rates are at 3.68%, 6-Months 6-Month Certificate rates are at 3.58%, 6-Month Certificate of Deposit Special rates are at 3.58%, 15 & 33-Month Certificate of Deposit Special 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, an A+ Overall Health Grade, and a Texas Ratio of 0.00%. Rates were last updated on 06/16/2026. 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. 
Grinnell State Bank CD Rates
Grinnell State Bank Savings Rates
Grinnell State Bank Money Market Rates
Grinnell State Bank Checking Rates
Methodology & Data SourcesMonitorBankRates 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
Website
https://www.grinnell.bank
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 & AssetsA+
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 Branches and Offices
4
Source: FDIC | Last Updated 12/31/2025
Customer Reviews
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Add Your Rating and Review for Grinnell State Bank
Frequently Asked Questions About Grinnell State BankHow 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
Retrieved from our database of financial products. Rates subject to change.
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