Ennis, MT Demographics

A map of Ennis's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	670	827	86.2%	90.2%
Multiracial	72	53	9.3%	5.8%
Hispanic	33	21	4.2%	2.3%
Native American/Other	2	11	0.3%	1.2%
Black	0	4	0.0%	0.4%
Asian	0	1	0.0%	0.1%

Ennis, Montana has an estimated population of 777, a large decrease from the 917 recorded in the 2020 Census. The population is 86.2% White, 9.3% Multiracial, 4.2% Hispanic, 0.3% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Ennis, with one dot drawn for each person counted by the Census, color-coded by race.

Ennis has become considerably more racially diverse since the 2020 Census. It is less diverse than Montana overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Ennis, that probability was 18.3% in 2020 and 24.6% in the most recent ACS estimates.

Ennis is ranked the 122nd most populous place in Montana, out of 497 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Ennis was ranked the 101st most populous place in the 2020 Census.

Ennis's White Population

670 residents of Ennis, or 86.2% of the population, identify as White. The share of White residents in Ennis is slightly higher than in Montana overall, where 83.6% of the population is White. Ennis ranks 202nd statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, Ennis's White population has declined by an estimated 19.0%. White residents' share of Ennis's population has decreased from 90.2% to 86.2%.

Ennis is less White than neighboring Jeffers (100% White), McAllister (100% White), Virginia City (98.4% White), Norris (100% White), and Pony (92.3% White).

Ennis's Black Population

0 residents of Ennis, or 0.0% of the population, identify as Black. The share of Black residents in Ennis is comparable to the share in Montana overall, where 0.4% of the population is Black. Ennis ranks 77th statewide in terms of Black residents as a share of the population, out of 497 places.

Since the 2020 Census, Ennis's Black population has declined by an estimated 100.0%. Black residents' share of Ennis's population has remained roughly unchanged at 0.0%.

Ennis's Asian Population

0 residents of Ennis, or 0.0% of the population, identify as Asian. The share of Asian residents in Ennis is comparable to the share in Montana overall, where 0.8% of the population is Asian. Ennis ranks 209th statewide in terms of Asian residents as a share of the population, out of 497 places.

Since the 2020 Census, Ennis's Asian population has declined by an estimated 100.0%. Asian residents' share of Ennis's population has remained roughly unchanged at 0.0%.

Ennis's Hispanic Population

33 residents of Ennis, or 4.2% of the population, identify as Hispanic. The share of Hispanic residents in Ennis is comparable to the share in Montana overall, where 4.6% of the population is Hispanic. Ennis ranks 285th statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, Ennis's Hispanic population has grown by an estimated 57.1%. Hispanic residents' share of Ennis's population has increased from 2.3% to 4.2%.

Ennis is more Hispanic than neighboring Jeffers (0% Hispanic), McAllister (0% Hispanic), Virginia City (0% Hispanic), Norris (0% Hispanic), and Pony (0% Hispanic).

Ennis's Native American/Other Population

2 residents of Ennis, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Ennis is lower than in Montana overall, where 5.9% of the population is Native American/Other. Ennis ranks 297th statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, Ennis's Native American/Other population has declined by an estimated 81.8%. Native American/Other residents' share of Ennis's population has decreased from 1.2% to 0.3%.

Ennis is more Native American/Other than neighboring Jeffers (0% Native American/Other), McAllister (0% Native American/Other), Norris (0% Native American/Other), and Pony (0% Native American/Other). Ennis is less Native American/Other than neighboring Virginia City (0.8% Native American/Other).

Ennis's Multiracial Population

72 residents of Ennis, or 9.3% of the population, identify as Multiracial. The share of Multiracial residents in Ennis is slightly higher than in Montana overall, where 4.7% of the population is Multiracial. Ennis ranks 153rd statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, Ennis's Multiracial population has grown by an estimated 35.8%. Multiracial residents' share of Ennis's population has increased from 5.8% to 9.3%.

Ennis is more Multiracial than neighboring Jeffers (0% Multiracial), McAllister (0% Multiracial), Virginia City (0.8% Multiracial), Norris (0% Multiracial), and Pony (7.7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.