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Bankular
Local banking directory

Banks and Bank Branches in Groton, Connecticut

The FDIC reported 8 deposit-reporting offices from 7 institutions in Groton as of June 30, 2025. Bankular currently provides 10 detailed location pages with addresses, maps and directions.

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FDIC-reported offices8
Institutions reporting7
Detailed location pages10
Reported branch deposits$786.9M
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 institutionChelsea Groton Bank40.48% of deposits
Top three share78.00%
Deposit HHI2,570Higher concentration
Current detailed pages102 more than the June 2025 SOD count

Chelsea Groton Bank held 40.48% of reported branch deposits in Groton. The three largest institutions together held 78.00%. Bankular places the resulting HHI of 2,570 in its higher concentration descriptive band.

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Detailed bank locations in Groton

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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
Chelsea Groton Bank2$318.6M40.48%
Bank of America1$199.6M25.37%
Citizens Access1$95.6M12.15%
Manufacturers and Traders Trust Company1$56.9M7.23%
Liberty Bank1$52.6M6.69%
Berkshire Bank1$49.5M6.29%
JPMorgan Chase Bank1$14.1M1.79%