Banks by county in Montana
37 counties in Montana 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 |
|---|---|---|
| Yellowstone County | $7.4 billion | 11 |
| Gallatin County | $5.2 billion | 16 |
| Flathead County | $4.0 billion | 12 |
| Missoula County | $3.9 billion | 11 |
| Lewis and Clark County | $2.6 billion | 13 |
| Cascade County | $2.2 billion | 11 |
| Ravalli County | $1.3 billion | 7 |
| Custer County | $914.1 million | 3 |
| Silver Bow County | $906.2 million | 7 |
| Hill County | $871.9 million | 4 |
| Lake County | $867.6 million | 5 |
| Richland County | $689.6 million | 4 |
| Park County | $587.6 million | 5 |
| Fergus County | $427.0 million | 5 |
| Beaverhead County | $394.7 million | 3 |
| Lincoln County | $388.5 million | 4 |
| Valley County | $344.8 million | 4 |
| Sanders County | $329.7 million | 3 |
| Roosevelt County | $329.4 million | 2 |
| Dawson County | $314.9 million | 2 |
| Big Horn County | $311.3 million | 2 |
| Madison County | $304.2 million | 3 |
| Rosebud County | $294.7 million | 3 |
| Sheridan County | $277.7 million | 4 |
| Stillwater County | $273.6 million | 2 |
| Phillips County | $258.0 million | 3 |
| Carbon County | $252.9 million | 2 |
| Pondera County | $229.3 million | 4 |
| Teton County | $228.9 million | 2 |
| Glacier County | $206.0 million | 3 |
| Toole County | $184.1 million | 2 |
| Powell County | $170.0 million | 3 |
| Sweet Grass County | $165.5 million | 3 |
| Deer Lodge County | $155.5 million | 2 |
| Chouteau County | $127.7 million | 2 |
| Jefferson County | $122.9 million | 2 |
| Blaine County | $114.7 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