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Bank Deposits in Custer County, Montana
Where bank deposits are booked in Custer County - FDIC Summary of Deposits, June 30, 2026.
Total bank deposits
$914.08M
Bank offices
5
Banks present
3
Top 4 banks' share
100.0%
Deposit market share in Custer County
| # | Bank | Branch deposits here | Share |
|---|---|---|---|
| 1 | Stockman Bank Of Montana | $690.69M | 75.6% |
| 2 | First Interstate Bank | $159.71M | 17.5% |
| 3 | U.S. Bank National Association | $63.68M | 7.0% |
Credit unions with branches in Custer County
- Community 1St - 1 branch
- Valley Financial - 1 branch
Credit unions do not report deposits by branch, so only bank deposits are ranked above.
Deposits are booked at the branch office that holds them (FDIC Summary of Deposits), which is not always where the depositor lives - online banks concentrate deposits at a few offices.
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