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Banks in Poweshiek County, Iowa

FDIC-insured institutions in Poweshiek County held $580.4 million in deposits as of June 30, 2026, according to the FDIC.

7 FDIC-insured institutions held $580.4 million in deposits in 10 offices in Poweshiek County at June 30, 2026; Grinnell State Bank held the most, 24.0% of the county's.

Poweshiek County, June 30, 2026

$580.4 million
Deposits in the county
$580,437,000
At June 30, 2026, against $571.6 million a year before, each year's own dollars.
7
Institutions with deposits
FDIC-insured banks and savings institutions with an office here that reported deposits.
10
Offices
Every office the survey lists here, against 10 in 2025.
24.0%
The largest share
Grinnell State Bank, with $139.3 million in 1 office.

Each institution’s share of the county’s deposits

3 more columns on a wider screen

FDIC-insured institutions with an office in Poweshiek County, Iowa, by deposits there at June 30, 2026, each with its share of the county's $580.4 million
InstitutionDepositsShare
Grinnell State Bank$139.3 million24.0%
First State Bank$138.2 million23.8%
Lincoln Savings Bank$83.1 million14.3%
Wells Fargo Bank, National Association$69.2 million11.9%
Fidelity Bank & Trust$60.3 million10.4%
Montezuma State Bank$46.2 million8.0%
First Interstate Bank$44.3 million7.6%

An institution with no office in the county in 2025 shows none for that year; a name is the survey’s for 2026, and one without a link has no page because it did not file a Call Report for the newest quarter.

Sources

Compiled automatically from FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved