Sweet Grass is a city located in Montana. Sweet Grass has a 2020 population of 55. Sweet Grass is currently declining at a rate of 0.00% annually and its population has increased by since the most recent census, which recorded a population of in 2010. Sweet Grass reached it's highest population of 110 in 2013.
The average household income in Sweet Grass is $64,552 with a poverty rate of 16.36%. The median rental costs in recent years comes to - per month, and the median house value is $154,200. The median age in Sweet Grass is 40.6 years, 40.6 years for males, and 37.9 years for females. For every 100 females there are 89.7 males.