
Turtle Lake
- County:
- Lake County
- County Seat:
- No
- Area (mi²):
- 0.598
- State:
- Montana
Turtle Lake is a CDP located in Lake County, Montana. Turtle Lake has a 2025 population of 114. Turtle Lake is currently declining at a rate of -5% annually and its population has decreased by -8.06% since the most recent census, which recorded a population of 124 in 2020.
The average household income in Turtle Lake is $42,117 with a poverty rate of 16.39%. The median age in Turtle Lake is 46.5 years: 64.1 years for males, and 0 years for females.