Ion Bank
Naugatuck, CT · State member commercial bank
Sonar Score
Watch
out of 100 · from public FDIC data
Reported March 31, 2026. The Sonar Score is an informational signal from public FDIC data — not a rating or financial advice.
Key figures
- Total assets
- $2.8B
- Total deposits
- $2.3B
- Branches
- 37
- Return on assets
- 0.85%
- Return on equity
- 7.04%
- Charter type
- State member commercial bank
- Established
- 1870
- FDIC cert #
- 18198
How the 57 breaks down
Capital ratio not reported.
Modest but positive returns.
Positive but moderate equity returns.
Mid-size institution.
Your deposits at Ion Bank
Ion Bank is an FDIC-insured institution (Cert #18198). Deposits are insured up to $250,000 per depositor, per ownership category, by the full faith and credit of the US government. Learn how to maximize your coverage →
37 branch locations
251 Church St
Naugatuck, CT 06770
71 Oxford Rd
Oxford, CT 06478
600 Middlebury Rd
Middlebury, CT 06762
87 Church Street
Naugatuck, CT 06770
670 Main St N
Woodbury, CT 06798
218 Maple Ave
Cheshire, CT 06410
80 County Rd
Tenafly, NJ 07670
189 County Rd
Cresskill, NJ 07626
310 Broad Ave
Leonia, NJ 07605
1505 Teaneck Rd
Teaneck, NJ 07666
76 Engle St
Englewood, NJ 07631
400 River Rd
New Milford, NJ 07646
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