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Bankular
Local banking directory

Banks and Bank Branches in Grinnell, Iowa

The FDIC reported 5 deposit-reporting offices from 5 institutions in Grinnell as of June 30, 2025. Bankular currently provides 7 detailed location pages with addresses, maps and directions.

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FDIC-reported offices5
Institutions reporting5
Detailed location pages7
Reported branch deposits$359.4M
SOD reporting dateJune 30, 2025

Reported-office totals come from the annual FDIC Summary of Deposits survey. Maps and branch-detail links appear only for locations with a validated Bankular location page.

Market analysis

What the deposit data shows

FDIC SOD, June 30, 2025
Largest institutionGrinnell State Bank37.54% of deposits
Top three share78.25%
Deposit HHI2,499Moderate concentration
Current detailed pages72 more than the June 2025 SOD count

Grinnell State Bank held 37.54% of reported branch deposits in Grinnell. The three largest institutions together held 78.25%. Bankular places the resulting HHI of 2,499 in its moderate concentration descriptive band.

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Detailed bank locations in Grinnell

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Detailed directory

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Local deposit market

Reported offices, deposits and market share

FDIC SOD, June 30, 2025
InstitutionReported officesDepositsShare
Grinnell State Bank1$134.9M37.54%
Lincoln Savings Bank1$80.5M22.40%
Wells Fargo Bank1$65.8M18.31%
First Interstate Bank1$49.4M13.74%
First State Bank1$28.8M8.01%