
Brockton
- County:
- Roosevelt County
- County Seat:
- No
- Area (mi²):
- 0.99
- State:
- Montana
Brockton is a CDP located in Roosevelt County, Montana. Brockton has a 2025 population of 574. Brockton is currently growing at a rate of 7.09% annually and its population has increased by 68.33% since the most recent census, which recorded a population of 341 in 2020.
The average household income in Brockton is $37,849 with a poverty rate of 47.28%. The median age in Brockton is 22.9 years: 26.5 years for males, and 22.6 years for females.