Big Stone Colony is a CDP located in Cascade County, Montana. Big Stone Colony has a 2026 population of 54. Big Stone Colony is currently growing at a rate of 5.88% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Big Stone Colony is 37.9 years: 0 years for males, and 0 years for females. For every 100 females there are 350.0 males.
Data after 2023 is projected based on recent change
Overall: 37.9 years
Female: 0 years
Male: 0 years
There are 45 adults, (0 of whom are seniors) in Big Stone Colony.
Female: 10 (22.2%)
Male: 35 (77.8%)
The racial composition of Big Stone Colony includes 53.33% White, 46.67% Native American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 24 | 53.33% |
| Native American | 21 | 46.67% |