Banks by county in Maine
16 counties in Maine 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 |
|---|---|---|
| Cumberland County | $16.1 billion | 19 |
| York County | $5.8 billion | 13 |
| Penobscot County | $4.9 billion | 9 |
| Kennebec County | $3.1 billion | 8 |
| Hancock County | $2.9 billion | 8 |
| Lincoln County | $2.1 billion | 5 |
| Androscoggin County | $2.1 billion | 9 |
| Knox County | $1.9 billion | 8 |
| Aroostook County | $1.4 billion | 6 |
| Oxford County | $1.1 billion | 7 |
| Washington County | $990.0 million | 5 |
| Franklin County | $870.5 million | 5 |
| Sagadahoc County | $818.3 million | 4 |
| Somerset County | $783.7 million | 5 |
| Waldo County | $567.2 million | 4 |
| Piscataquis County | $230.0 million | 2 |
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