Ennis is a city located in Montana. With a 2020 population of 1,009, it is the 55th largest city in Montana and the 10256th largest city in the United States. Ennis is currently growing at a rate of 1.61% annually and its population has increased by 20.41% since the most recent census, which recorded a population of 838 in 2010. Spanning over 1 miles, Ennis has a population density of 1,367 people per square mile.
The average household income in Ennis is $52,007 with a poverty rate of 5.22%. The median rental costs in recent years comes to $682 per month, and the median house value is $227,500. The median age in Ennis is 48.4 years, 48.5 years for males, and 44 years for females. For every 100 females there are 91.6 males.