Hillside Colony is a CDP located in Toole County, Montana. Hillside Colony has a 2026 population of 329. Hillside Colony is currently growing at a rate of 6.82% 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 Hillside Colony is 16.1 years: 18.8 years for males, and 9.7 years for females. For every 100 females there are 62.3 males.
Data after 2023 is projected based on recent change
Overall: 16.1 years
Female: 9.7 years
Male: 18.8 years
There are 101 adults, (0 of whom are seniors) in Hillside Colony.
Female: 151 (61.6%)
Male: 94 (38.4%)
The racial composition of Hillside Colony includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 245 | 100% |