We will be CLOSED Monday, October 13, 2025 in observance of Columbus Day & Indigenous Peoples’ Day.
Any transactions after closing Friday, October 10, 2025 will post to your account on Tuesday, October 14, 2025.
*This affects all wires & ACH transactions.
Did you know that your everyday deposits are vital to the economic development of your local community? It’s true.
Whether it is a loan to a local business or a personal loan to someone in your community, you are helping your community grow and thrive!
Grinnell State Bank offers loan opportunities such as:
Contact us today to learn more at (800) 236-3187.
Recipes from our employees, family members, and people of our communities. All proceeds will go to local community food banks and families in need in the Grinnell, Johnston, Polk City and Marengo areas.
*Limited supplies available! Stop into any of our branch locations to pick up a book today!
We want to make banking easy for you with 24/7 access to your accounts and convenient access to services. Have 24/7 access to all of the following without having to step foot in the bank:
You are accessing a printable version of our Electronic Funds Transfer.
You are accessing a printable version of Grinnell State Bank’s Online Banking Terms and Conditions. There are hyperlinks appearing within the document to access additional bank policy information referenced by the link. The links are for reference only, please contact the bank directly to request a copy of the referenced information.
