Brockton is a city located in Montana. With a 2020 population of 232, it is the 103rd largest city in Montana and the 16207th largest city in the United States. Brockton is currently declining at a rate of -0.43% annually and its population has decreased by -9.02% since the most recent census, which recorded a population of 255 in 2010. Brockton reached it's highest population of 242 in 2015. Spanning over 1 miles, Brockton has a population density of 234 people per square mile.
The average household income in Brockton is $38,322 with a poverty rate of 35.91%. The median rental costs in recent years comes to - per month, and the median house value is $48,700. The median age in Brockton is 27.3 years, 27 years for males, and 27.7 years for females. For every 100 females there are 115.4 males.