Ennis, Montana Demographics & Population 2026
During the 2020–2024 ACS period, Ennis, Montana had a total population of 777, the 122nd largest town in Montana, with a median household income of $69,650, which is 4% lower than the state average. The poverty rate is 9.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Near full employment with an unemployment rate of just 1.1%.
Ennis Quick Facts
How Ennis Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 615 | 777 | +26.3% |
| Median household income | $60,880 | $69,650 | +14.4% |
| Median home value | $402,300 | $402,500 | +0.0% |
How Ennis Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 29 | National average: 61
Education
Educational Attainment (Adults 25+)
Ennis Rankings in Montana
Explore Montana Rankings
Other Cities in Madison County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Sheridan | 869 | $87,321 | 3.5% | $318,400 |
| McAllister | 202 | N/A | 0.0% | N/A |
| Twin Bridges | 201 | $57,188 | 11.9% | $236,800 |
| Virginia City | 129 | $61,875 | 7.0% | $351,900 |
| Brandon | 115 | $110,577 | 2.6% | $452,800 |
| Harrison | 95 | $72,656 | 34.7% | N/A |
| Alder | 92 | $42,500 | 9.8% | $418,200 |
| Silver Star | 89 | $48,438 | 9.0% | $387,500 |
| Pony | 78 | $66,667 | 2.6% | $333,300 |
| Jeffers | 60 | N/A | 13.3% | N/A |
Cities Similar to Ennis
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Black Eagle | 781 | $69,545 | $190,400 | 15.9% | 31.4% |
| Fairfield | 759 | $69,265 | $217,400 | 27.4% | 5.2% |
| Muddy | 724 | N/A | $163,800 | 6.2% | 52.3% |
| Big Sandy | 784 | $60,521 | $187,500 | 17.2% | 8.6% |
| Pinesdale | 833 | $66,875 | $230,000 | 14.0% | 13.8% |
A note before these figures: with a population of 777, Ennis's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Ennis is a small community located in Montana, within Madison County. The total population is 777. It ranks as the 122nd most populous out of 475 Census-designated places in Montana.
Age Demographics
The median age in Ennis is 50.5 years. This is 25% higher than the state median of 40.4 years. Only 14.2% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in Ennis is $69,650. This is 4% lower than the state median of $72,509. It is also 14% lower than the national median of $80,734. The poverty rate stands at 9.4%. This is 18% lower than the state poverty rate of 11.5%. The unemployment rate is 1.1%. This is 69% lower than the state rate of 3.6%. The median home value is $402,500. Housing costs are 7% higher than the state median of $375,800. The home-value-to-income ratio is 5.8x. 64.1% of occupied housing units are owner-occupied. This homeownership rate is 7% lower than the state average of 69.2%.
Race & Ethnicity
Ennis has a predominantly White (non-Hispanic) population, comprising 86.2% of all residents. Hispanic or Latino residents account for 4.3%.
Education
19.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% lower than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.3%.
Data Sources & Methodology
All demographic data for Ennis, Montana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Montana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 475 Census-designated places in Montana. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Montana city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Ennis, Montana?
Ennis, Montana has a population of 777 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Ennis, MT?
The median household income in Ennis is $69,650, which is 14% lower than the national median of $80,734.
What is the poverty rate in Ennis, MT?
The poverty rate in Ennis is 9.4%. This means approximately 71 residents live below the federal poverty line.
What is the racial makeup of Ennis, Montana?
Ennis's population is 86.2% White, 0.0% Black, 4.3% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Ennis, MT?
The median home value in Ennis is $402,500. The home-value-to-income ratio is 5.8x.
How educated is Ennis, Montana?
19.4% of adults (25+) in Ennis hold a bachelor's degree or higher, and 5.8% hold a graduate or professional degree.