Grass Range is a city located in Montana. With a 2020 population of 104, it is the 123rd largest city in Montana and the 18268th largest city in the United States. Grass Range is currently declining at a rate of -0.95% annually and its population has decreased by -5.45% since the most recent census, which recorded a population of 110 in 2010. Grass Range reached it's highest population of 111 in 2010. Spanning over 0 miles, Grass Range has a population density of 744 people per square mile.
The average household income in Grass Range is $51,172 with a poverty rate of 15.87%. The median rental costs in recent years comes to $575 per month, and the median house value is $46,800. The median age in Grass Range is 54.3 years, 54 years for males, and 56.5 years for females. For every 100 females there are 133.3 males.