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Bankular
Local banking directory

Banks and Bank Branches in O Fallon, Missouri

The FDIC reported 24 deposit-reporting offices from 20 institutions in O Fallon as of June 30, 2025. Bankular currently provides 31 detailed location pages with addresses, maps and directions.

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FDIC-reported offices24
Institutions reporting20
Detailed location pages31
Reported branch deposits$1.79B
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 institutionU.S. Bank19.89% of deposits
Top three share52.55%
Deposit HHI1,139Lower concentration
Current detailed pages317 more than the June 2025 SOD count

U.S. Bank held 19.89% of reported branch deposits in O Fallon. The three largest institutions together held 52.55%. Bankular places the resulting HHI of 1,139 in its lower concentration descriptive band.

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Detailed bank locations in O Fallon

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Detailed directory

Institutions with validated location pages

Ordered by detailed location count

Location pages

Detailed bank locations in O Fallon

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First Mid Bank & Trust

1 detailed location

St. Johns Bank and Trust Company

1 detailed location

Local deposit market

Reported offices, deposits and market share

FDIC SOD, June 30, 2025
InstitutionReported officesDepositsShare
U.S. Bank2$356.1M19.89%
Bank of America1$302.5M16.90%
Commerce Bank2$282.0M15.75%
The Central Trust Bank2$155.4M8.68%
American Bank of Freedom1$117.7M6.58%
The Bank of Old Monroe1$86.3M4.82%
PNC Bank1$84.4M4.71%
UMB Bank1$50.9M2.84%
BMO Bank1$48.3M2.70%
JPMorgan Chase Bank1$46.0M2.57%
HomeBank1$43.0M2.40%
First Mid Bank & Trust1$34.1M1.90%
Simmons Bank1$30.7M1.71%
Regions Bank1$30.3M1.69%
St. Johns Bank and Trust Company1$28.3M1.58%
Midland States Bank1$25.9M1.45%
Bank of Franklin County1$21.1M1.18%
Lindell Bank & Trust Company1$20.0M1.12%
Great Southern Bank2$18.8M1.05%
Bank of Springfield1$8.4M0.47%