
Shelby
- County:
- Toole County
- County Seat:
- Yes
- Area (mi²):
- 5.782
- State:
- Montana
Shelby is a city located in Toole County, Montana. Shelby has a 2025 population of 3,336. It is also the county seat of Toole County. Shelby is currently growing at a rate of 1% annually and its population has increased by 5.2% since the most recent census, which recorded a population of 3,171 in 2020.
The average household income in Shelby is $81,588 with a poverty rate of 11.33%. The median age in Shelby is 42 years: 38.9 years for males, and 47.2 years for females.