
Dillon
- County:
- Beaverhead County
- County Seat:
- Yes
- Area (mi²):
- 1.898
- State:
- Montana
Dillon is a city located in Beaverhead County, Montana. Dillon has a 2025 population of 4,370. It is also the county seat of .Dillon is currently growing at a rate of 2.27% annually and its population has increased by 12.51% since the most recent census, which recorded a population of 3,884 in 2020.
The average household income in Dillon is $69,187 with a poverty rate of 16.51%. The median age in Dillon is 30.7 years: 30.8 years for males, and 29.9 years for females.