Dillon, MT Demographics

A map of Dillon's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	3,591	3,428	87.9%	88.4%
Multiracial	171	167	4.2%	4.3%
Hispanic	158	174	3.9%	4.5%
Native American/Other	100	85	2.4%	2.2%
Black	48	15	1.2%	0.4%
Asian	17	11	0.4%	0.3%

Dillon, Montana has an estimated population of 4,085, an increase from the 3,880 recorded in the 2020 Census. The population is 87.9% White, 4.2% Multiracial, 3.9% Hispanic, 2.4% Native American/Other, 1.2% Black, and 0.4% Asian. This demographic dot map shows the population of Dillon, with one dot drawn for each person counted by the Census, color-coded by race.

Dillon has become slightly more racially diverse since the 2020 Census. It is considerably 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 Dillon, that probability was 21.5% in 2020 and 22.3% in the most recent ACS estimates.

Dillon is ranked the 32nd 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). Dillon was ranked the 31st most populous place in the 2020 Census.

Dillon's White Population

3,591 residents of Dillon, or 87.9% of the population, identify as White. The share of White residents in Dillon is slightly higher than in Montana overall, where 83.6% of the population is White. Dillon ranks 270th statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, Dillon's White population has grown by an estimated 4.8%. White residents' share of Dillon's population has decreased from 88.4% to 87.9%.

Dillon is more White than neighboring Glen (70% White), and Dell (45.8% White). Dillon is less White than neighboring Argenta (100% White), Twin Bridges (94.5% White), and Grant (100% White).

Dillon's Black Population

48 residents of Dillon, or 1.2% of the population, identify as Black. The share of Black residents in Dillon is comparable to the share in Montana overall, where 0.4% of the population is Black. Dillon ranks 92nd statewide in terms of Black residents as a share of the population, out of 497 places.

Since the 2020 Census, Dillon's Black population has grown by an estimated 220.0%. Black residents' share of Dillon's population has increased from 0.4% to 1.2%.

Dillon is more Black than neighboring Argenta (0% Black), Glen (0% Black), Twin Bridges (0% Black), Grant (0% Black), and Dell (0% Black).

Dillon's Asian Population

17 residents of Dillon, or 0.4% of the population, identify as Asian. The share of Asian residents in Dillon is comparable to the share in Montana overall, where 0.8% of the population is Asian. Dillon ranks 179th statewide in terms of Asian residents as a share of the population, out of 497 places.

Since the 2020 Census, Dillon's Asian population has grown by an estimated 54.5%. Asian residents' share of Dillon's population has remained roughly unchanged at 0.4%.

Dillon is more Asian than neighboring Argenta (0% Asian), Glen (0% Asian), Twin Bridges (0% Asian), Grant (0% Asian), and Dell (0% Asian).

Dillon's Hispanic Population

158 residents of Dillon, or 3.9% of the population, identify as Hispanic. The share of Hispanic residents in Dillon is comparable to the share in Montana overall, where 4.6% of the population is Hispanic. Dillon ranks 110th statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, Dillon's Hispanic population has declined by an estimated 9.2%. Hispanic residents' share of Dillon's population has decreased from 4.5% to 3.9%.

Dillon is more Hispanic than neighboring Argenta (0% Hispanic), Glen (0% Hispanic), Twin Bridges (0% Hispanic), Grant (0% Hispanic), and Dell (0% Hispanic).

Dillon's Native American/Other Population

100 residents of Dillon, or 2.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Dillon is slightly lower than in Montana overall, where 5.9% of the population is Native American/Other. Dillon ranks 196th statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, Dillon's Native American/Other population has grown by an estimated 17.6%. Native American/Other residents' share of Dillon's population has remained roughly unchanged at 2.4%.

Dillon is more Native American/Other than neighboring Argenta (0% Native American/Other), Twin Bridges (2% Native American/Other), Grant (0% Native American/Other), and Dell (0% Native American/Other). Dillon is less Native American/Other than neighboring Glen (30% Native American/Other).

Dillon's Multiracial Population

171 residents of Dillon, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in Dillon is comparable to the share in Montana overall, where 4.7% of the population is Multiracial. Dillon ranks 256th statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, Dillon's Multiracial population has grown by an estimated 2.4%. Multiracial residents' share of Dillon's population has remained roughly unchanged at 4.2%.

Dillon is more Multiracial than neighboring Argenta (0% Multiracial), Glen (0% Multiracial), Twin Bridges (3.5% Multiracial), and Grant (0% Multiracial). Dillon is less Multiracial than neighboring Dell (54.2% 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.