Miles City is a city located in Montana. With a 2020 population of 8,237, it is the 12th largest city in Montana and the 3546th largest city in the United States. Miles City is currently declining at a rate of -0.94% annually and its population has decreased by -2.06% since the most recent census, which recorded a population of 8,410 in 2010. Miles City reached it's highest population of 9,665 in 1960. Spanning over 3 miles, Miles City has a population density of 2,450 people per square mile.
The average household income in Miles City is $66,088 with a poverty rate of 11.79%. The median rental costs in recent years comes to $760 per month, and the median house value is $150,500. The median age in Miles City is 39.4 years, 38 years for males, and 41.4 years for females. For every 100 females there are 95.0 males.