
Turtle Lake
- County:
- McLean County
- County Seat:
- No
- Area (mi²):
- 0.512
- State:
- North Dakota
Turtle Lake is a city located in McLean County, North Dakota. Turtle Lake has a 2025 population of 535. Turtle Lake is currently declining at a rate of -0.19% annually and its population has decreased by -0.93% since the most recent census, which recorded a population of 540 in 2020.
The average household income in Turtle Lake is $70,096 with a poverty rate of 14.2%. The median age in Turtle Lake is 43.5 years: 34.9 years for males, and 50.4 years for females.