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Banks in Story County, Iowa

FDIC-insured institutions in Story County held $3.1 billion in deposits as of June 30, 2026, according to the FDIC.

21 FDIC-insured institutions held $3.1 billion in deposits in 37 offices in Story County at June 30, 2026; First National Bank, Ames, Iowa held the most, 21.7% of the county's.

Story County, June 30, 2026

$3.1 billion
Deposits in the county
$3,104,939,000
At June 30, 2026, against $3.1 billion a year before, each year's own dollars.
21
Institutions with deposits
FDIC-insured banks and savings institutions with an office here that reported deposits.
37
Offices
Every office the survey lists here, against 37 in 2025.
21.7%
The largest share
First National Bank, Ames, Iowa, with $674.3 million in 3 offices.

Each institution’s share of the county’s deposits

3 more columns on a wider screen

FDIC-insured institutions with an office in Story County, Iowa, by deposits there at June 30, 2026, each with its share of the county's $3.1 billion
InstitutionDepositsShare
First National Bank, Ames, Iowa$674.3 million21.7%
U.S. Bank National Association$353.0 million11.4%
South Story Bank & Trust$346.8 million11.2%
Availa Bank$328.9 million10.6%
Wells Fargo Bank, National Association$267.0 million8.6%
VISIONBANK OF IOWA$184.4 million5.9%
State Bank & Trust Co.$174.3 million5.6%
Bankers Trust Company$168.1 million5.4%
First Interstate Bank$136.7 million4.4%
Reliance State Bank$100.9 million3.2%
Central State Bank$80.7 million2.6%
Exchange State Bank$67.6 million2.2%
Northwest Bank$38.1 million1.2%
GNB Bank$36.9 million1.2%
Security State Bank$29.5 million0.9%
Fidelity Bank$27.5 million0.9%
BMO Bank National Association$27.3 million0.9%
Maxwell State Bank$27.0 million0.9%
Midwest Heritage Bank, FSB$19.7 million0.6%
JPMorgan Chase Bank, National Association$9.3 million0.3%
TS Bank$7.0 million0.2%

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