
Monarch
- County:
- Cascade County
- County Seat:
- No
- Area (mi²):
- 0.803
- State:
- Montana
Monarch is a CDP located in Cascade County, Montana. Monarch has a 2025 population of 47. Monarch is currently growing at a rate of 6.82% annually and its population has increased by 840% since the most recent census, which recorded a population of 5 in 2020.
The average household income in Monarch is $29,118 with a poverty rate of 26.09%. The median age in Monarch is 77.1 years: 0 years for males, and 0 years for females.