Beaverhead County, Montana
Beaverhead County, Montana | |
|---|---|
Beaverhead County Courthouse | |
Location within the U.S. state of Montana | |
| Coordinates: 45°07′N 112°54′W / 45.12°N 112.9°W | |
| Country | United States |
| State | Montana |
| Founded | 1865 |
| Seat | Dillon |
| Largest city | Dillon |
| Area | |
• Total | 5,572 sq mi (14,430 km2) |
| • Land | 5,542 sq mi (14,350 km2) |
| • Water | 30 sq mi (78 km2) 0.5% |
| Population (2020) | |
• Total | 9,371 |
• Estimate (2024) | 10,006 |
| • Density | 1.691/sq mi (0.6529/km2) |
| Time zone | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| Congressional district | 1st |
| Website | www |
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Beaverhead County is the largest county by area in the U.S. state of Montana. As of the 2020 census, the population was 9,371. Its county seat is Dillon. The county was founded in 1865.
Much of the perimeter of the county is the Continental Divide, including its entire border with the state of Idaho. The divide heads east into Montana at the county border with Ravalli County, between Lost Trail Pass and Chief Joseph Pass.