
Lakeside
- County:
- Flathead County
- County Seat:
- No
- Area (mi²):
- 14.082
- State:
- Montana
Lakeside is a CDP located in Flathead County, Montana. Lakeside has a 2025 population of 2,538. Lakeside is currently declining at a rate of -0.31% annually but its population has increased by 13.05% since the most recent census, which recorded a population of 2,245 in 2020.
The average household income in Lakeside is $128,780 with a poverty rate of 12.63%. The median age in Lakeside is 54.5 years: 54.5 years for males, and 52.9 years for females.