Augusta, MT Demographics

A map of Augusta's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	150	290	90.9%	91.8%
Native American/Other	9	4	5.5%	1.3%
Multiracial	6	16	3.6%	5.1%
Black	0	1	0.0%	0.3%
Asian	0	1	0.0%	0.3%
Hispanic	0	4	0.0%	1.3%

Augusta, Montana has an estimated population of 165, a dramatic decrease from the 316 recorded in the 2020 Census. The population is 90.9% White, 5.5% Native American/Other, 3.6% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Hispanic. This demographic dot map shows the population of Augusta, with one dot drawn for each person counted by the Census, color-coded by race.

Augusta has become 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 Augusta, that probability was 15.5% in 2020 and 16.9% in the most recent ACS estimates.

Augusta is ranked the 270th 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). Augusta was ranked the 190th most populous place in the 2020 Census.

Augusta's White Population

150 residents of Augusta, or 90.9% of the population, identify as White. The share of White residents in Augusta is higher than in Montana overall, where 83.6% of the population is White. Augusta ranks 140th statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, Augusta's White population has declined by an estimated 48.3%. White residents' share of Augusta's population has decreased from 91.8% to 90.9%.

Augusta is less White than neighboring Gilman (100% White), Milford Colony (100% White), Choteau (93.8% White), Fairfield (94.5% White), and Simms (100% White).

Augusta's Black Population

0 residents of Augusta, or 0.0% of the population, identify as Black. The share of Black residents in Augusta is comparable to the share in Montana overall, where 0.4% of the population is Black. Augusta ranks 107th statewide in terms of Black residents as a share of the population, out of 497 places.

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

Augusta is less Black than neighboring Fairfield (1.7% Black).

Augusta's Asian Population

0 residents of Augusta, or 0.0% of the population, identify as Asian. The share of Asian residents in Augusta is comparable to the share in Montana overall, where 0.8% of the population is Asian. Augusta ranks 168th statewide in terms of Asian residents as a share of the population, out of 497 places.

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

Augusta's Hispanic Population

0 residents of Augusta, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Augusta is slightly lower than in Montana overall, where 4.6% of the population is Hispanic. Augusta ranks 353rd statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, Augusta's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Augusta's population has decreased from 1.3% to 0.0%.

Augusta is less Hispanic than neighboring Choteau (0.4% Hispanic).

Augusta's Native American/Other Population

9 residents of Augusta, or 5.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Augusta is comparable to the share in Montana overall, where 5.9% of the population is Native American/Other. Augusta ranks 286th statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, Augusta's Native American/Other population has grown by an estimated 125.0%. Native American/Other residents' share of Augusta's population has increased from 1.3% to 5.5%.

Augusta is more Native American/Other than neighboring Gilman (0% Native American/Other), Milford Colony (0% Native American/Other), Choteau (2.5% Native American/Other), Fairfield (0% Native American/Other), and Simms (0% Native American/Other).

Augusta's Multiracial Population

6 residents of Augusta, or 3.6% of the population, identify as Multiracial. The share of Multiracial residents in Augusta is comparable to the share in Montana overall, where 4.7% of the population is Multiracial. Augusta ranks 193rd statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, Augusta's Multiracial population has declined by an estimated 62.5%. Multiracial residents' share of Augusta's population has decreased from 5.1% to 3.6%.

Augusta is more Multiracial than neighboring Gilman (0% Multiracial), Milford Colony (0% Multiracial), Choteau (3.3% Multiracial), and Simms (0% Multiracial). Augusta is less Multiracial than neighboring Fairfield (3.8% 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.