Gardiner, MT Demographics

A map of Gardiner's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	546	734	84.4%	88.1%
Hispanic	44	32	6.8%	3.8%
Multiracial	28	42	4.3%	5.0%
Black	24	11	3.7%	1.3%
Native American/Other	5	11	0.8%	1.3%
Asian	0	3	0.0%	0.4%

Gardiner, Montana has an estimated population of 647, a large decrease from the 833 recorded in the 2020 Census. The population is 84.4% White, 6.8% Hispanic, 4.3% Multiracial, 3.7% Black, 0.8% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of Gardiner, with one dot drawn for each person counted by the Census, color-coded by race.

Gardiner 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 Gardiner, that probability was 21.9% in 2020 and 28.0% in the most recent ACS estimates.

Gardiner is ranked the 135th 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). Gardiner was ranked the 106th most populous place in the 2020 Census.

Gardiner's White Population

546 residents of Gardiner, or 84.4% of the population, identify as White. The share of White residents in Gardiner is comparable to the share in Montana overall, where 83.6% of the population is White. Gardiner ranks 279th statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, Gardiner's White population has declined by an estimated 25.6%. White residents' share of Gardiner's population has decreased from 88.1% to 84.4%.

Gardiner is more White than neighboring Corwin Springs (61.8% White). Gardiner is less White than neighboring Mammoth (95.2% White), Jardine (100% White), South Glastonbury (100% White), and Emigrant (89.1% White).

Gardiner's Black Population

24 residents of Gardiner, or 3.7% of the population, identify as Black. The share of Black residents in Gardiner is slightly higher than in Montana overall, where 0.4% of the population is Black. Gardiner ranks 22nd statewide in terms of Black residents as a share of the population, out of 497 places.

Since the 2020 Census, Gardiner's Black population has grown by an estimated 118.2%. Black residents' share of Gardiner's population has increased from 1.3% to 3.7%.

Gardiner is more Black than neighboring Mammoth (0% Black), Jardine (0% Black), South Glastonbury (0% Black), and Emigrant (0% Black). Gardiner is less Black than neighboring Corwin Springs (5.8% Black).

Gardiner's Asian Population

0 residents of Gardiner, or 0.0% of the population, identify as Asian. The share of Asian residents in Gardiner is comparable to the share in Montana overall, where 0.8% of the population is Asian. Gardiner ranks 156th statewide in terms of Asian residents as a share of the population, out of 497 places.

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

Gardiner's Hispanic Population

44 residents of Gardiner, or 6.8% of the population, identify as Hispanic. The share of Hispanic residents in Gardiner is slightly higher than in Montana overall, where 4.6% of the population is Hispanic. Gardiner ranks 152nd statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, Gardiner's Hispanic population has grown by an estimated 37.5%. Hispanic residents' share of Gardiner's population has increased from 3.8% to 6.8%.

Gardiner is more Hispanic than neighboring Mammoth (0% Hispanic), Jardine (0% Hispanic), South Glastonbury (0% Hispanic), and Emigrant (0% Hispanic). Gardiner is less Hispanic than neighboring Corwin Springs (30.4% Hispanic).

Gardiner's Native American/Other Population

5 residents of Gardiner, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Gardiner is lower than in Montana overall, where 5.9% of the population is Native American/Other. Gardiner ranks 280th statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, Gardiner's Native American/Other population has declined by an estimated 54.5%. Native American/Other residents' share of Gardiner's population has decreased from 1.3% to 0.8%.

Gardiner is more Native American/Other than neighboring Corwin Springs (0% Native American/Other), Mammoth (0% Native American/Other), Jardine (0% Native American/Other), South Glastonbury (0% Native American/Other), and Emigrant (0% Native American/Other).

Gardiner's Multiracial Population

28 residents of Gardiner, or 4.3% of the population, identify as Multiracial. The share of Multiracial residents in Gardiner is comparable to the share in Montana overall, where 4.7% of the population is Multiracial. Gardiner ranks 195th statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, Gardiner's Multiracial population has declined by an estimated 33.3%. Multiracial residents' share of Gardiner's population has decreased from 5.0% to 4.3%.

Gardiner is more Multiracial than neighboring Corwin Springs (1.9% Multiracial), Jardine (0% Multiracial), and South Glastonbury (0% Multiracial). Gardiner is less Multiracial than neighboring Mammoth (4.8% Multiracial), and Emigrant (10.9% 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.