Rimrock Colony is a CDP located in Toole County, Montana. Rimrock Colony has a 2026 population of 193. Rimrock Colony is currently growing at a rate of 6.63% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
Data after 2023 is projected based on recent change
Overall: 0 years
Female: 0 years
Male: 0 years
There are 39 adults, (0 of whom are seniors) in Rimrock Colony.
Female: 0 (0%)
Male: 39 (100%)
The racial composition of Rimrock Colony includes 58.97% Native American, 41.03% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Native American | 23 | 58.97% |
| White | 16 | 41.03% |