Mammoth, MT Demographics

A map of Mammoth's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	15	3	100.0%	75.0%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%
Hispanic	0	1	0.0%	25.0%
Native American/Other	0	0	0.0%	0.0%
Multiracial	0	0	0.0%	0.0%

Mammoth, Montana has an estimated population of 15, a dramatic increase from the 4 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Mammoth, with one dot drawn for each person counted by the Census, color-coded by race.

Mammoth has become considerably 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 Mammoth, that probability was 37.5% in 2020 and 0.0% in the most recent ACS estimates.

Mammoth is ranked the 450th 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). Mammoth was ranked the 483rd most populous place in the 2020 Census.

Mammoth's White Population

15 residents of Mammoth, or 100.0% of the population, identify as White. The share of White residents in Mammoth is significantly higher than in Montana overall, where 83.6% of the population is White. Mammoth ranks 412th statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, Mammoth's White population has grown by an estimated 400.0%. White residents' share of Mammoth's population has increased from 75.0% to 100.0%.

Mammoth is more White than neighboring Pony (92.3% White), Cardwell (90% White), and Whitehall (90.9% White).

Mammoth's Black Population

0 residents of Mammoth, or 0.0% of the population, identify as Black. The share of Black residents in Mammoth is comparable to the share in Montana overall, where 0.4% of the population is Black. Mammoth ranks 179th statewide in terms of Black residents as a share of the population, out of 497 places.

Since the 2020 Census, Mammoth's Black population has grown from 0 to an estimated 0. Black residents' share of Mammoth's population has remained roughly unchanged at 0.0%.

Mammoth's Asian Population

0 residents of Mammoth, or 0.0% of the population, identify as Asian. The share of Asian residents in Mammoth is comparable to the share in Montana overall, where 0.8% of the population is Asian. Mammoth ranks 215th statewide in terms of Asian residents as a share of the population, out of 497 places.

Since the 2020 Census, Mammoth's Asian population has grown from 0 to an estimated 0. Asian residents' share of Mammoth's population has remained roughly unchanged at 0.0%.

Mammoth's Hispanic Population

0 residents of Mammoth, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Mammoth is slightly lower than in Montana overall, where 4.6% of the population is Hispanic. Mammoth ranks 3rd statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, Mammoth's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Mammoth's population has decreased from 25.0% to 0.0%.

Mammoth is less Hispanic than neighboring Whitehall (2.2% Hispanic).

Mammoth's Native American/Other Population

0 residents of Mammoth, 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 Mammoth is lower than in Montana overall, where 5.9% of the population is Native American/Other. Mammoth ranks 370th statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, Mammoth's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Mammoth's population has remained roughly unchanged at 0.0%.

Mammoth is less Native American/Other than neighboring Whitehall (2.4% Native American/Other).

Mammoth's Multiracial Population

0 residents of Mammoth, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Mammoth is slightly lower than in Montana overall, where 4.7% of the population is Multiracial. Mammoth ranks 423rd statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, Mammoth's Multiracial population has grown from 0 to an estimated 0. Multiracial residents' share of Mammoth's population has remained roughly unchanged at 0.0%.

Mammoth is less Multiracial than neighboring Pony (7.7% Multiracial), Cardwell (10% Multiracial), and Whitehall (4.4% 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.