St. Regis, MT Demographics

A map of St. Regis's Population by Race

St. Regis, Montana has an estimated population of 406, a large increase from the 313 recorded in the 2020 Census. The population is 83.5% White, 12.8% Multiracial, 3.4% Hispanic, 0.2% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of St. Regis, with one dot drawn for each person counted by the Census, color-coded by race.

St. Regis has become more racially diverse since the 2020 Census. It is slightly 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. Regis, that probability was 23.9% in 2020 and 28.5% in the most recent ACS estimates.

St. Regis is ranked the 170th 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. Regis was ranked the 193rd most populous place in the 2020 Census.

St. Regis's White Population

339 residents of St. Regis, or 83.5% of the population, identify as White. The share of White residents in St. Regis is comparable to the share in Montana overall, where 83.6% of the population is White. St. Regis ranks 312th statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Regis's White population has grown by an estimated 24.6%. White residents' share of St. Regis's population has decreased from 86.9% to 83.5%.

St. Regis is more White than neighboring Weeksville (64.6% White), and Plains (82.7% White). St. Regis is less White than neighboring De Borgia (100% White), Superior (91.2% White), and Riverbend (87.7% White).

St. Regis's Black Population

1 residents of St. Regis, or 0.2% of the population, identify as Black. The share of Black residents in St. Regis is comparable to the share in Montana overall, where 0.4% of the population is Black. St. Regis ranks 179th statewide in terms of Black residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Regis's Black population has grown from 0 to an estimated 1. Black residents' share of St. Regis's population has remained roughly unchanged at 0.2%.

St. Regis is more Black than neighboring De Borgia (0% Black), Superior (0.1% Black), Weeksville (0% Black), and Riverbend (0% Black). St. Regis is less Black than neighboring Plains (1.8% Black).

St. Regis's Asian Population

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

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

St. Regis is less Asian than neighboring Superior (0.3% Asian), and Plains (0.4% Asian).

St. Regis's Hispanic Population

14 residents of St. Regis, or 3.4% of the population, identify as Hispanic. The share of Hispanic residents in St. Regis is comparable to the share in Montana overall, where 4.6% of the population is Hispanic. St. Regis ranks 112th statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Regis's Hispanic population has remained roughly the same. Hispanic residents' share of St. Regis's population has decreased from 4.5% to 3.4%.

St. Regis is more Hispanic than neighboring De Borgia (0% Hispanic), and Superior (0.8% Hispanic). St. Regis is less Hispanic than neighboring Weeksville (35.4% Hispanic), Plains (7.1% Hispanic), and Riverbend (11.8% Hispanic).

St. Regis's Native American/Other Population

0 residents of St. Regis, 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 St. Regis is lower than in Montana overall, where 5.9% of the population is Native American/Other. St. Regis ranks 133rd statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Regis's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of St. Regis's population has decreased from 3.8% to 0.0%.

St. Regis is less Native American/Other than neighboring Superior (1.1% Native American/Other), and Plains (2.3% Native American/Other).

St. Regis's Multiracial Population

52 residents of St. Regis, or 12.8% of the population, identify as Multiracial. The share of Multiracial residents in St. Regis is higher than in Montana overall, where 4.7% of the population is Multiracial. St. Regis ranks 213th statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Regis's Multiracial population has grown by an estimated 246.7%. Multiracial residents' share of St. Regis's population has increased from 4.8% to 12.8%.

St. Regis is more Multiracial than neighboring De Borgia (0% Multiracial), Superior (6.5% Multiracial), Weeksville (0% Multiracial), Plains (5.8% Multiracial), and Riverbend (0.5% 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.