| # | County | Largest single fire |
|---|---|---|
| 1 | Garfield County | 270,723 |
| 2 | Sweet Grass County | 207,115 |
| 3 | Rosebud County | 171,130 |
| 4 | Missoula County | 147,529 |
| 5 | Big Horn County | 121,687 |
| 6 | Yellowstone County | 102,380 |
| 7 | Powder River County | 99,714 |
| 8 | Sanders County | 99,090 |
| 9 | Broadwater County | 81,220 |
| 10 | Flathead County | 69,435 |
| 11 | Granite County | 62,034 |
| 12 | Beaverhead County | 62,013 |
| 13 | Custer County | 62,000 |
| 14 | Teton County | 60,038 |
| 15 | Pondera County | 53,640 |
| 16 | Lewis and Clark County | 52,505 |
| 17 | Musselshell County | 40,085 |
| 18 | Mineral County | 33,948 |
| 19 | Cascade County | 31,603 |
| 20 | Roosevelt County | 30,700 |
| 21 | Lincoln County | 29,921 |
| 22 | Carbon County | 29,885 |
| 23 | Ravalli County | 29,062 |
| 24 | Fergus County | 27,178 |
| 25 | Park County | 26,873 |
Source: USFS Fire Program Analysis Fire Occurrence Database (1992-2024). All counties with data are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Counties with the Largest Recorded Wildfire in Montana”, https://gismap.land/rankings/montana/largest-wildfire-counties. Figures from USFS Fire Program Analysis Fire Occurrence Database (1992-2024).
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