St. Regis is a city located in Montana. St. Regis has a 2020 population of 305. St. Regis is currently declining at a rate of 0.00% annually and its population has decreased by -4.39% since the most recent census, which recorded a population of 319 in 2010. St. Regis reached it's highest population of 370 in 2017.
The average household income in St. Regis is $63,482 with a poverty rate of 24.92%. The median rental costs in recent years comes to $572 per month, and the median house value is $115,000. The median age in St. Regis is 30.4 years, 22.8 years for males, and 35 years for females. For every 100 females there are 177.3 males.