St. Pierre, MT Demographics

A map of St. Pierre's Population by Race

St. Pierre, Montana has an estimated population of 394, an increase from the 364 recorded in the 2020 Census. The population is 93.1% Native American/Other, 5.6% Multiracial, 1.3% Hispanic, 0.0% White, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of St. Pierre, with one dot drawn for each person counted by the Census, color-coded by race.

St. Pierre 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 St. Pierre, that probability was 11.5% in 2020 and 12.9% in the most recent ACS estimates.

St. Pierre is ranked the 173rd 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). St. Pierre was ranked the 175th most populous place in the 2020 Census.

St. Pierre's White Population

0 residents of St. Pierre, or 0.0% of the population, identify as White. The share of White residents in St. Pierre is significantly lower than in Montana overall, where 83.6% of the population is White. St. Pierre ranks 483rd statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Pierre's White population has declined by an estimated 100.0%. White residents' share of St. Pierre's population has decreased from 0.5% to 0.0%.

St. Pierre is less White than neighboring Rocky Boy's Agency (15.8% White).

St. Pierre's Black Population

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

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

St. Pierre is less Black than neighboring Boneau (1.4% Black).

St. Pierre's Asian Population

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

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

St. Pierre is less Asian than neighboring Rocky Boy's Agency (9.2% Asian).

St. Pierre's Hispanic Population

5 residents of St. Pierre, or 1.3% of the population, identify as Hispanic. The share of Hispanic residents in St. Pierre is slightly lower than in Montana overall, where 4.6% of the population is Hispanic. St. Pierre ranks 101st statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Pierre's Hispanic population has declined by an estimated 70.6%. Hispanic residents' share of St. Pierre's population has decreased from 4.7% to 1.3%.

St. Pierre is more Hispanic than neighboring Rocky Boy's Agency (0% Hispanic), Azure (0% Hispanic), and Parker School (0% Hispanic). St. Pierre is less Hispanic than neighboring Sangrey (20.9% Hispanic), and Boneau (2.5% Hispanic).

St. Pierre's Native American/Other Population

367 residents of St. Pierre, or 93.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in St. Pierre is significantly higher than in Montana overall, where 5.9% of the population is Native American/Other. St. Pierre ranks 10th statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Pierre's Native American/Other population has grown by an estimated 7.3%. Native American/Other residents' share of St. Pierre's population has decreased from 94.0% to 93.1%.

St. Pierre is more Native American/Other than neighboring Sangrey (79.1% Native American/Other), Rocky Boy's Agency (75% Native American/Other), and Parker School (92.2% Native American/Other). St. Pierre is less Native American/Other than neighboring Azure (100% Native American/Other), and Boneau (96% Native American/Other).

St. Pierre's Multiracial Population

22 residents of St. Pierre, or 5.6% of the population, identify as Multiracial. The share of Multiracial residents in St. Pierre is comparable to the share in Montana overall, where 4.7% of the population is Multiracial. St. Pierre ranks 416th statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Pierre's Multiracial population has grown by an estimated 633.3%. Multiracial residents' share of St. Pierre's population has increased from 0.8% to 5.6%.

St. Pierre is more Multiracial than neighboring Sangrey (0% Multiracial), Rocky Boy's Agency (0% Multiracial), Azure (0% Multiracial), and Boneau (0% Multiracial). St. Pierre is less Multiracial than neighboring Parker School (7.8% 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.