Banks in Lake County, Montana
11 active bank branches operated by 5 institutions, per FDIC records.
Active branches
11
Banks present
5
Deposits (2025)
$795M
Closings since 2020
3
3 openings
Largest banks by deposits in Lake County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Glacier Bank | $336M | 42.3% | 3 |
| Eagle Bank | $158M | 19.9% | 1 |
| Valley Bank of Ronan | $143M | 18% | 4 |
| First Interstate Bank | $136M | 17.1% | 1 |
| Unity Bank | $22M | 2.7% | 2 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.