CHRISTMAS EVE: Close at 12:00 pm, Wednesday, December 24, 2025
CHRISTMAS DAY: CLOSED, Thursday, December 25, 2025
Any transactions after closing Wednesday, December 24, will post to your account Friday, December 26.*
NEW YEAR’S EVE: Lobby will be open until 12:00 pm, Drive-up will be open until 3:00 pm Wednesday, December 31, 2025
NEW YEAR’S DAY: CLOSED Thursday, January 1, 2026
Any transactions after closing Wednesday, December 31 will post to your account on Friday, January 2.*
*This affects all wires/ACH files.
Grinnell State Bank was organized in 1925 by Grinnell businessmen to be an independent community bank and is still fulfilling that role today. The Jones Family has owned and operated the bank since 1954 and continue that legacy with a fifth generation of family members on staff. The bank’s growth has been in business loans, personal Loans, Deposits and Locations with services in Grinnell, Johnston, Marengo, and Polk City.
Grinnell State Bank acquires three locations in Johnston, Polk City & Urbandale – formerly Polk County Bank
Grinnell State Banks consolidates the Grinnell and Malcom branches into the Grinnell Branch
Grinnell Businessmen Re-organize Grinnell Savings Bank into Grinnell State Bank as an independent community bank
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:
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