TrailWest Bank
Lolo, MT · Owner: Bitterroot Holding Co
$1.1B
total assets, June 30, 2026
$1.1B
total assets, June 30, 2026
TrailWest Bank is a state nonmember bank based in Lolo, MT, owned by Bitterroot Holding Co. As of June 30, 2026 it held $1.1 billion in assets and $860.2 million in deposits; assets were up 10.4% from a year before. It has 15 branches.
Updated Oct 11, 2026 · numbers as of June 30, 2026
Total assets
$1.1B
+10.4% in a year · +1.3% in a quarter
Deposits
$860M
+11.5% in a year · +1.7% in a quarter
Loans
$895M
+10.7% in a year · -0.5% in a quarter
Profit so far
$9.5M
Jan 1 to Jun 30, 2026 · +14.1% in a year
Capital ratio
8.62%
+0.14 pts in a year
Return on assets
1.76%
+0.12 pts in a year
Facts
- Type
- State nonmember bank
- Head office
- 11300 Us Highway 93 S, Lolo, MT, 59847
- County
- Missoula
- Holding company
- Bitterroot Holding Co
- Established
- May 17, 1982
- Employees
- 188
- Branches
- 15
- Website
- www.trailwest.bank
- Id
- b23806
Quarter by quarter
March 31, 1984 to June 30, 2026
Assets, deposits and loans
Each quarter end, US dollars
Profit by quarter
Net income of each quarter, the last 12
Ratios
Percent. Return on assets and net interest margin are yearly rates.
Branches
15 offices as of June 30, 2026, holding $860.2 million in deposits
Branch map
Every branch, sized by its deposits
| State | Branches | Deposits | Share |
|---|---|---|---|
| Montana | 15 | $860M | 100.0% |
| Largest branches | Place | Deposits |
|---|---|---|
| Trailwest Bank (main office) | Lolo, MT | $256M |
| Ravalli Main Office | Hamilton, MT | $204M |
| West One Bank Branch | Kalispell, MT | $84.7M |
| Trailwest Bank Missoula Dearborn | Missoula, MT | $69.0M |
| Superior Branch | Superior, MT | $68.4M |
| Frenchtown Branch | Frenchtown, MT | $64.7M |
| Milltown Branch | Missoula, MT | $32.7M |
| Corvallis Branch | Corvallis, MT | $32.6M |
| North Valley Branch At Super One Foods | Stevensville, MT | $21.7M |
| Blodgett View Branch | Hamilton, MT | $13.6M |
Related pages
Questions and answers
How big is TrailWest Bank?
$1.1 billion in total assets and $860.2 million in deposits as of June 30, 2026, with assets up 10.4% from a year before. Its loans were $895.4 million.
How many branches does TrailWest Bank have?
15 branches in Montana as of June 30, 2026.
Is TrailWest Bank profitable?
Yes: it earned $9.53 million from January 1 to June 30, 2026 (up 14.1% from the same months a year before). Its return on assets was 1.76% a year; about 1% is typical.
Who owns TrailWest Bank?
TrailWest Bank is owned by Bitterroot Holding Co, its holding company.
Official public data from the reports every insured bank files each quarter. Profit so far runs from January 1 to the quarter end. Branch deposits are counted once a year, as of June 30. New quarters appear about two months after the quarter ends.