Ennis, MT Profile: Facts & Data


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Ennis, Montana - Basic Facts

The Town of Ennis had a population of 856 as of July 1, 2018. Ennis ranks in the upper quartile for Population Density and the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Montana. See peer rankings below.

The primary coordinate point for Ennis is located at latitude 45.3461 and longitude -111.7312 in Madison County. The formal boundaries for the Town of Ennis (see map below) encompass a land area of 0.77 sq. miles and a water area of 0.01 sq. miles. Madison County is in the Mountain time zone (GMT -7). The elevation is 4,941 feet.

The Town of Ennis (GNIS ID: 2412598) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Montana is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Town of Ennis is located within Madison Valley Division of Madison County.

Alternate Unofficial Names for Ennis: Enniss.

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  1. Ennis 2018 Demographic Data
  2. Growth Rates for Ennis (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Montana Research Tools (Easy Tools & Current Data)
  3. Montana Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Ennis, MT Data & Demographics (As of July 1, 2018)


Total Population 856
Population in Households 833
Population in Familes 613
Population in Group Qrtrs 23
Population Density2 1,105
Diversity Index3 12


Median Household Income $48,217
Average Household Income $73,768
Per Capita Income $35,863


Total Housing Units 527 (100%)
Owner Occupied HU 326 (61.9%)
Renter Occupied HU 101 (19.2%)
Vacant Housing Units 100 (19.0%)
Median Home Value $281,132
Average Home Value $405,521


Total Households 427
Average Household Size 1.95
Family Households 246
Average Family Size 2
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 0.26% 0.16%
Households 0.32% 0.23%
Families 2.11% 0.0%
Median Household Income   1.44%
Per Capita Income   2.15%

Ennis, MT - Peer Comparisons by Rank and Percentile

The table below compares Ennis to the other 364 incorporated cities, towns and CDPs in Montana by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 108 71st
Population Density # 68 82nd
Diversity Index # 272 25th
Median Household Income # 181 51st
Per Capita Income # 35 91st

Additional comparisons and rankings can be made with a VERY EASY TO USE Montana Census Data Comparison Tool.

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