St. Ignatius, MT Demographics

A map of St. Ignatius's Population by Race

St. Ignatius, Montana has an estimated population of 977, a large increase from the 768 recorded in the 2020 Census. The population is 53.9% White, 32.8% Native American/Other, 9.6% Multiracial, 3.5% Hispanic, 0.2% Asian, and 0.0% Black. This demographic dot map shows the population of St. Ignatius, with one dot drawn for each person counted by the Census, color-coded by race.

St. Ignatius has become less racially diverse since the 2020 Census. It is considerably more 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. Ignatius, that probability was 60.9% in 2020 and 59.1% in the most recent ACS estimates.

St. Ignatius is ranked the 96th 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. Ignatius was ranked the 117th most populous place in the 2020 Census.

St. Ignatius's White Population

527 residents of St. Ignatius, or 53.9% of the population, identify as White. The share of White residents in St. Ignatius is significantly lower than in Montana overall, where 83.6% of the population is White. St. Ignatius ranks 439th statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Ignatius's White population has grown by an estimated 40.5%. White residents' share of St. Ignatius's population has increased from 48.8% to 53.9%.

St. Ignatius is more White than neighboring Arlee (29.1% White), and Old Agency (3.9% White). St. Ignatius is less White than neighboring Ravalli (87% White), Kicking Horse (59.3% White), and Charlo (84% White).

St. Ignatius's Black Population

0 residents of St. Ignatius, or 0.0% of the population, identify as Black. The share of Black residents in St. Ignatius is comparable to the share in Montana overall, where 0.4% of the population is Black. St. Ignatius ranks 159th statewide in terms of Black residents as a share of the population, out of 497 places.

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

St. Ignatius's Asian Population

2 residents of St. Ignatius, or 0.2% of the population, identify as Asian. The share of Asian residents in St. Ignatius is comparable to the share in Montana overall, where 0.8% of the population is Asian. St. Ignatius ranks 118th statewide in terms of Asian residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Ignatius's Asian population has declined by an estimated 50.0%. Asian residents' share of St. Ignatius's population has remained roughly unchanged at 0.2%.

St. Ignatius is more Asian than neighboring Ravalli (0% Asian), Kicking Horse (0% Asian), Charlo (0% Asian), Arlee (0% Asian), and Old Agency (0% Asian).

St. Ignatius's Hispanic Population

34 residents of St. Ignatius, or 3.5% of the population, identify as Hispanic. The share of Hispanic residents in St. Ignatius is comparable to the share in Montana overall, where 4.6% of the population is Hispanic. St. Ignatius ranks 117th statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Ignatius's Hispanic population has remained roughly the same. Hispanic residents' share of St. Ignatius's population has decreased from 4.4% to 3.5%.

St. Ignatius is more Hispanic than neighboring Ravalli (0% Hispanic). St. Ignatius is less Hispanic than neighboring Kicking Horse (40.7% Hispanic), Charlo (6.9% Hispanic), Arlee (5.9% Hispanic), and Old Agency (38% Hispanic).

St. Ignatius's Native American/Other Population

320 residents of St. Ignatius, or 32.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in St. Ignatius is significantly higher than in Montana overall, where 5.9% of the population is Native American/Other. St. Ignatius ranks 46th statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Ignatius's Native American/Other population has grown by an estimated 10.0%. Native American/Other residents' share of St. Ignatius's population has decreased from 37.9% to 32.8%.

St. Ignatius is more Native American/Other than neighboring Ravalli (13% Native American/Other), Kicking Horse (0% Native American/Other), and Charlo (5.9% Native American/Other). St. Ignatius is less Native American/Other than neighboring Arlee (52.5% Native American/Other), and Old Agency (43.4% Native American/Other).

St. Ignatius's Multiracial Population

94 residents of St. Ignatius, or 9.6% of the population, identify as Multiracial. The share of Multiracial residents in St. Ignatius is slightly higher than in Montana overall, where 4.7% of the population is Multiracial. St. Ignatius ranks 63rd statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, St. Ignatius's Multiracial population has grown by an estimated 49.2%. Multiracial residents' share of St. Ignatius's population has increased from 8.2% to 9.6%.

St. Ignatius is more Multiracial than neighboring Ravalli (0% Multiracial), Kicking Horse (0% Multiracial), and Charlo (3.3% Multiracial). St. Ignatius is less Multiracial than neighboring Arlee (12.6% Multiracial), and Old Agency (14.7% 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.