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Bankular
Local banking directory

Banks and Bank Branches in Mercer Island, Washington

The FDIC reported 7 deposit-reporting offices from 7 institutions in Mercer Island as of June 30, 2025. Bankular currently provides 8 detailed location pages with addresses, maps and directions.

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FDIC-reported offices7
Institutions reporting7
Detailed location pages8
Reported branch deposits$1.41B
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 institutionBank of America26.03% of deposits
Top three share68.73%
Deposit HHI1,855Moderate concentration
Current detailed pages81 more than the June 2025 SOD count

Bank of America held 26.03% of reported branch deposits in Mercer Island. The three largest institutions together held 68.73%. Bankular places the resulting HHI of 1,855 in its moderate concentration descriptive band.

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Detailed bank locations in Mercer Island

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Detailed directory

Institutions with validated location pages

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Location pages

Detailed bank locations in Mercer Island

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Local deposit market

Reported offices, deposits and market share

FDIC SOD, June 30, 2025
InstitutionReported officesDepositsShare
Bank of America1$367.1M26.03%
JPMorgan Chase Bank1$319.7M22.67%
Wells Fargo Bank1$282.5M20.03%
U.S. Bank1$153.9M10.91%
Banner Bank1$122.7M8.70%
Columbia Bank1$84.8M6.01%
KeyBank1$79.7M5.65%