Great Falls
- County:
- Cascade County
- County Seat:
- Yes
- Area (mi²):
- 23.132
- State:
- Montana
Great Falls is a city located in Cascade County, Montana. Great Falls has a 2026 population of 60,013. It is also the county seat of Cascade County. Great Falls is currently declining at a rate of -0.38% annually and its population has decreased by -0.73% since the most recent census, which recorded a population of 60,453 in 2020.