Monarch is a CDP located in Cascade County, Montana. Monarch has a 2026 population of 28. Monarch is currently growing at a rate of 3.7% 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 Monarch is 77.2 years: 0 years for males, and 0 years for females. For every 100 females there are 100.0 males.
Data after 2023 is projected based on recent change
Overall: 77.2 years
Female: 0 years
Male: 0 years
There are 22 adults, (22 of whom are seniors) in Monarch.
Female: 11 (50%)
Male: 11 (50%)
The racial composition of Monarch includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 22 | 100% |