In 2023, Ennis, MT had a population of 615 people with a median age of 52.6 and a median household income of $60,880. Between 2022 and 2023 the population of Ennis, MT declined from 736 to 615, a −16.4% decrease and its median household income grew from $59,500 to $60,880, a 2.32% increase.
The 5 largest ethnic groups in Ennis, MT are White (Non-Hispanic) (99%), Other (Non-Hispanic) (0.976%), White (Hispanic) (0%), Black or African American (Non-Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Ennis, MT reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
100% of the residents in Ennis, MT are U.S. citizens.
In 2023, the median property value in Ennis, MT was $402,300, and the homeownership rate was 77.3%.
Most people in Ennis, MT drove alone to work, and the average commute time was 19.6 minutes. The average car ownership in Ennis, MT was 5 cars per household.