Marion, MT Demographics

A map of Marion's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	935	1,000	90.2%	89.4%
Multiracial	58	79	5.6%	7.1%
Asian	31	5	3.0%	0.4%
Hispanic	13	29	1.3%	2.6%
Black	0	1	0.0%	0.1%
Native American/Other	0	5	0.0%	0.4%

Marion, Montana has an estimated population of 1,037, a decrease from the 1,119 recorded in the 2020 Census. The population is 90.2% White, 5.6% Multiracial, 3.0% Asian, 1.3% Hispanic, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Marion, with one dot drawn for each person counted by the Census, color-coded by race.

Marion has become less 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 Marion, that probability was 19.6% in 2020 and 18.3% in the most recent ACS estimates.

Marion is ranked the 91st 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). Marion was ranked the 83rd most populous place in the 2020 Census.

Marion's White Population

935 residents of Marion, or 90.2% of the population, identify as White. The share of White residents in Marion is higher than in Montana overall, where 83.6% of the population is White. Marion ranks 234th statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, Marion's White population has declined by an estimated 6.5%. White residents' share of Marion's population has increased from 89.4% to 90.2%.

Marion is more White than neighboring Kila (82% White), Batavia (89% White), and Niarada (73.4% White). Marion is less White than neighboring Little Bitterroot Lake (97.4% White), and Rhodes (100% White).

Marion's Black Population

0 residents of Marion, or 0.0% of the population, identify as Black. The share of Black residents in Marion is comparable to the share in Montana overall, where 0.4% of the population is Black. Marion ranks 171st statewide in terms of Black residents as a share of the population, out of 497 places.

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

Marion is less Black than neighboring Kila (16.9% Black).

Marion's Asian Population

31 residents of Marion, or 3.0% of the population, identify as Asian. The share of Asian residents in Marion is slightly higher than in Montana overall, where 0.8% of the population is Asian. Marion ranks 137th statewide in terms of Asian residents as a share of the population, out of 497 places.

Since the 2020 Census, Marion's Asian population has grown by an estimated 520.0%. Asian residents' share of Marion's population has increased from 0.4% to 3.0%.

Marion is more Asian than neighboring Little Bitterroot Lake (0% Asian), Kila (0% Asian), Batavia (0% Asian), Rhodes (0% Asian), and Niarada (0% Asian).

Marion's Hispanic Population

13 residents of Marion, or 1.3% of the population, identify as Hispanic. The share of Hispanic residents in Marion is slightly lower than in Montana overall, where 4.6% of the population is Hispanic. Marion ranks 265th statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, Marion's Hispanic population has declined by an estimated 55.2%. Hispanic residents' share of Marion's population has decreased from 2.6% to 1.3%.

Marion is more Hispanic than neighboring Little Bitterroot Lake (0% Hispanic), Kila (1.1% Hispanic), Rhodes (0% Hispanic), and Niarada (0% Hispanic). Marion is less Hispanic than neighboring Batavia (3% Hispanic).

Marion's Native American/Other Population

0 residents of Marion, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Marion is lower than in Montana overall, where 5.9% of the population is Native American/Other. Marion ranks 362nd statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, Marion's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Marion's population has remained roughly unchanged at 0.0%.

Marion is less Native American/Other than neighboring Little Bitterroot Lake (2.6% Native American/Other), Batavia (7.4% Native American/Other), and Niarada (26.6% Native American/Other).

Marion's Multiracial Population

58 residents of Marion, or 5.6% of the population, identify as Multiracial. The share of Multiracial residents in Marion is comparable to the share in Montana overall, where 4.7% of the population is Multiracial. Marion ranks 94th statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, Marion's Multiracial population has declined by an estimated 26.6%. Multiracial residents' share of Marion's population has decreased from 7.1% to 5.6%.

Marion is more Multiracial than neighboring Little Bitterroot Lake (0% Multiracial), Kila (0% Multiracial), Batavia (0.6% Multiracial), Rhodes (0% Multiracial), and Niarada (0% 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.