Banks by county in Massachusetts
14 counties in Massachusetts have offices of 2 or more FDIC-insured institutions with deposits, by the FDIC’s newest Summary of Deposits, largest deposits first. A county with one bank is on that bank’s page.
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| County | Deposits | Institutions |
|---|---|---|
| Suffolk County | $381.2 billion | 29 |
| Middlesex County | $83.1 billion | 41 |
| Norfolk County | $50.8 billion | 35 |
| Essex County | $31.5 billion | 32 |
| Worcester County | $22.5 billion | 26 |
| Plymouth County | $18.5 billion | 17 |
| Bristol County | $16.7 billion | 15 |
| Hampden County | $14.1 billion | 18 |
| Barnstable County | $11.8 billion | 11 |
| Hampshire County | $6.6 billion | 15 |
| Berkshire County | $4.3 billion | 9 |
| Franklin County | $1.8 billion | 4 |
| Dukes County | $1.4 billion | 4 |
| Nantucket County | $1.3 billion | 4 |
Sources
- NCUA 5300 Call Report — quarterly data (every credit union, every quarter from March 1994) — National Credit Union Administration · U.S. Government work · retrieved September 27, 2026
- FDIC failures — every bank failure and assistance transaction since 1934 — Federal Deposit Insurance Corporation · Public domain — U.S. Government work
- FDIC summary — insured institutions, offices, assets and deposits by state and year since 1934 · Public domain — U.S. Government work
- FDIC BankFind — institutions (every charter the FDIC has insured, active and inactive) · Public domain — U.S. Government work · retrieved September 30, 2026
- NCUA credit-union sites — Credit Union Branch Information (the newest quarter) — National Credit Union Administration · U.S. Government work · retrieved September 27, 2026
- FDIC BankFind — locations (every current office of an FDIC-insured institution) — Federal Deposit Insurance Corporation · Public domain — U.S. Government work · retrieved September 30, 2026
- FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey · Public domain — U.S. Government work · retrieved September 27, 2026
- Census Bureau population estimates — nation and states, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
Compiled automatically from NCUA 5300 Call Report — quarterly data (every credit union, every quarter from March 1994), FDIC failures — every bank failure and assistance transaction since 1934, FDIC summary — insured institutions, offices, assets and deposits by state and year since 1934, FDIC BankFind — institutions (every charter the FDIC has insured, active and inactive), NCUA credit-union sites — Credit Union Branch Information (the newest quarter), FDIC BankFind — locations (every current office of an FDIC-insured institution), FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey and Census Bureau population estimates — nation and states, with components of change by a checked SQL query · Editor: Kian O'Connor · How this site is built
Data retrieved