Brockton, MT Demographics

A map of Brockton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Native American/Other	423	321	96.4%	89.7%
White	10	16	2.3%	4.5%
Multiracial	6	7	1.4%	2.0%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%
Hispanic	0	14	0.0%	3.9%

Brockton, Montana has an estimated population of 439, a large increase from the 358 recorded in the 2020 Census. The population is 96.4% Native American/Other, 2.3% White, 1.4% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Hispanic. This demographic dot map shows the population of Brockton, with one dot drawn for each person counted by the Census, color-coded by race.

Brockton 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 Brockton, that probability was 19.2% in 2020 and 7.1% in the most recent ACS estimates.

Brockton is ranked the 165th 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). Brockton was ranked the 179th most populous place in the 2020 Census.

Brockton's White Population

10 residents of Brockton, or 2.3% of the population, identify as White. The share of White residents in Brockton is significantly lower than in Montana overall, where 83.6% of the population is White. Brockton ranks 463rd statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, Brockton's White population has declined by an estimated 37.5%. White residents' share of Brockton's population has decreased from 4.5% to 2.3%.

Brockton is less White than neighboring Poplar (18.1% White), Culbertson (85% White), Froid (54.6% White), Homestead (100% White), and Richey (95% White).

Brockton's Black Population

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

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

Brockton is less Black than neighboring Culbertson (0.5% Black), and Froid (0.3% Black).

Brockton's Asian Population

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

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

Brockton is less Asian than neighboring Culbertson (0.2% Asian), and Richey (1.7% Asian).

Brockton's Hispanic Population

0 residents of Brockton, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Brockton is slightly lower than in Montana overall, where 4.6% of the population is Hispanic. Brockton ranks 146th statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, Brockton's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Brockton's population has decreased from 3.9% to 0.0%.

Brockton is less Hispanic than neighboring Poplar (2.5% Hispanic), and Culbertson (2.1% Hispanic).

Brockton's Native American/Other Population

423 residents of Brockton, or 96.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Brockton is significantly higher than in Montana overall, where 5.9% of the population is Native American/Other. Brockton ranks 23rd statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, Brockton's Native American/Other population has grown by an estimated 31.8%. Native American/Other residents' share of Brockton's population has increased from 89.7% to 96.4%.

Brockton is more Native American/Other than neighboring Poplar (72.3% Native American/Other), Culbertson (6.3% Native American/Other), Froid (43.2% Native American/Other), Homestead (0% Native American/Other), and Richey (0% Native American/Other).

Brockton's Multiracial Population

6 residents of Brockton, or 1.4% of the population, identify as Multiracial. The share of Multiracial residents in Brockton is slightly lower than in Montana overall, where 4.7% of the population is Multiracial. Brockton ranks 385th statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, Brockton's Multiracial population has declined by an estimated 14.3%. Multiracial residents' share of Brockton's population has decreased from 2.0% to 1.4%.

Brockton is more Multiracial than neighboring Homestead (0% Multiracial). Brockton is less Multiracial than neighboring Poplar (7.1% Multiracial), Culbertson (5.8% Multiracial), Froid (1.9% Multiracial), and Richey (3.4% 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.