Rimrock Colony, MT Demographics
A map of Rimrock Colony's Population by Race
Rimrock Colony, Montana has an estimated population of 39, a dramatic decrease from the 105 recorded in the 2020 Census. The population is 59.0% Native American/Other, 41.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Multiracial. This demographic dot map shows the population of Rimrock Colony, with one dot drawn for each person counted by the Census, color-coded by race.
Rimrock Colony has become considerably more 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 Rimrock Colony, that probability was 0.0% in 2020 and 48.4% in the most recent ACS estimates.
Rimrock Colony is ranked the 404th 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). Rimrock Colony was ranked the 316th most populous place in the 2020 Census.
Rimrock Colony's White Population
16 residents of Rimrock Colony, or 41.0% of the population, identify as White. The share of White residents in Rimrock Colony is significantly lower than in Montana overall, where 83.6% of the population is White. Rimrock Colony ranks 1st statewide in terms of White residents as a share of the population, out of 497 places.
Since the 2020 Census, Rimrock Colony's White population has declined by an estimated 84.8%. White residents' share of Rimrock Colony's population has decreased from 100.0% to 41.0%.
Rimrock Colony is less White than neighboring Hillside Colony (100% White), Glacier Colony (97.3% White), Sweet Grass (84.3% White), Sunburst (89% White), and Kevin (72.2% White).
Rimrock Colony's Black Population
0 residents of Rimrock Colony, or 0.0% of the population, identify as Black. The share of Black residents in Rimrock Colony is comparable to the share in Montana overall, where 0.4% of the population is Black. Rimrock Colony ranks 179th statewide in terms of Black residents as a share of the population, out of 497 places.
Since the 2020 Census, Rimrock Colony's Black population has grown from 0 to an estimated 0. Black residents' share of Rimrock Colony's population has remained roughly unchanged at 0.0%.
Rimrock Colony's Asian Population
0 residents of Rimrock Colony, or 0.0% of the population, identify as Asian. The share of Asian residents in Rimrock Colony is comparable to the share in Montana overall, where 0.8% of the population is Asian. Rimrock Colony ranks 215th statewide in terms of Asian residents as a share of the population, out of 497 places.
Since the 2020 Census, Rimrock Colony's Asian population has grown from 0 to an estimated 0. Asian residents' share of Rimrock Colony's population has remained roughly unchanged at 0.0%.
Rimrock Colony is less Asian than neighboring Sunburst (0.7% Asian), and Kevin (0.9% Asian).
Rimrock Colony's Hispanic Population
0 residents of Rimrock Colony, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Rimrock Colony is slightly lower than in Montana overall, where 4.6% of the population is Hispanic. Rimrock Colony ranks 407th statewide in terms of Hispanic residents as a share of the population, out of 497 places.
Since the 2020 Census, Rimrock Colony's Hispanic population has grown from 0 to an estimated 0. Hispanic residents' share of Rimrock Colony's population has remained roughly unchanged at 0.0%.
Rimrock Colony is less Hispanic than neighboring Sweet Grass (15.7% Hispanic), and Sunburst (0.7% Hispanic).
Rimrock Colony's Native American/Other Population
23 residents of Rimrock Colony, or 59.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Rimrock Colony is significantly higher than in Montana overall, where 5.9% of the population is Native American/Other. Rimrock Colony ranks 370th statewide in terms of Native American/Other residents as a share of the population, out of 497 places.
Since the 2020 Census, Rimrock Colony's Native American/Other population has grown from 0 to an estimated 23. Native American/Other residents' share of Rimrock Colony's population has increased from 0.0% to 59.0%.
Rimrock Colony is more Native American/Other than neighboring Hillside Colony (0% Native American/Other), Glacier Colony (2.7% Native American/Other), Sweet Grass (0% Native American/Other), Sunburst (5.3% Native American/Other), and Kevin (1.9% Native American/Other).
Rimrock Colony's Multiracial Population
0 residents of Rimrock Colony, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Rimrock Colony is slightly lower than in Montana overall, where 4.7% of the population is Multiracial. Rimrock Colony ranks 423rd statewide in terms of Multiracial residents as a share of the population, out of 497 places.
Since the 2020 Census, Rimrock Colony's Multiracial population has grown from 0 to an estimated 0. Multiracial residents' share of Rimrock Colony's population has remained roughly unchanged at 0.0%.
Rimrock Colony is less Multiracial than neighboring Sunburst (4.3% Multiracial), and Kevin (25% 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.