Stockman Bank of Montana holds $5.6B in deposits across 22 counties in 5 ranked markets and 1 state. Its deposit footprint is concentrated: the top three counties (Yellowstone County, Custer County, Gallatin County) hold 43% of its deposits. It ranks among the three largest institutions in 19 of the 22 counties where it operates.
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Data as of June 30, 2025 (FDIC Summary of Deposits)
| County | Deposits | County’s % of Bank’s Deposits | Bank’s % of County Deposits | Branches | |
|---|---|---|---|---|---|
| 1. | Yellowstone County, MT | $1.2B | 20.9% | 15.8% | 6 |
| 2. | Custer County, MT | $630M | 11.3% | 74.5% | 3 |
| 3. | Gallatin County, MT | $596M | 10.6% | 11.9% | 5 |
| 4. | Cascade County, MT | $543M | 9.7% | 26.2% | 3 |
| 5. | Missoula County, MT | $440M | 7.9% | 12.0% | 3 |
| 6. | Richland County, MT | $429M | 7.7% | 63.7% | 2 |
| 7. | Lewis And Clark County, MT | $310M | 5.5% | 13.0% | 2 |
| 8. | Dawson County, MT | $238M | 4.2% | 77.4% | 2 |
| 9. | Beaverhead County, MT | $185M | 3.3% | 54.2% | 1 |
| 10. | Flathead County, MT | $165M | 2.9% | 4.3% | 5 |
| 11. | Pondera County, MT | $155M | 2.8% | 73.4% | 2 |
| 12. | Fergus County, MT | $116M | 2.1% | 29.4% | 1 |
| 13. | Glacier County, MT | $112M | 2.0% | 57.0% | 1 |
| 14. | Hill County, MT | $92M | 1.6% | 10.7% | 1 |
| 15. | Judith Basin County, MT | $78M | 1.4% | 100.0% | 1 |
| 16. | Sanders County, MT | $73M | 1.3% | 25.5% | 1 |
| 17. | Sheridan County, MT | $72M | 1.3% | 26.2% | 1 |
| 18. | Prairie County, MT | $64M | 1.1% | 100.0% | 1 |
| 19. | Wibaux County, MT | $44M | 0.8% | 100.0% | 1 |
| 20. | Ravalli County, MT | $43M | 0.8% | 3.4% | 1 |
| 21. | Treasure County, MT | $27M | 0.5% | 100.0% | 1 |
| 22. | Chouteau County, MT | $16M | 0.3% | 13.4% | 1 |
Deposits are as reported to the FDIC at branch level, June 30, 2025, and are nominal. “County’s % of Bank’s Deposits” is this county’s share of the institution’s total deposits; “Bank’s % of County Deposits” is this institution’s deposits as a percent of all deposits booked in that county. Counties within a Combined or Metropolitan Statistical Area link to their full profile; other counties are shown for completeness.
All 293 markets and the 1,533 counties within a CSA or MSA are covered in the Market Intelligence resource. See the methodology for how each figure is built and when to expect updates.