Grass Lake
- County:
- Burleigh County
- County Seat:
- No
- Area (mi²):
- 35.462
- State:
- North Dakota
Grass Lake is located in Burleigh County, North Dakota. Grass Lake has a 2025 population of 64. Grass Lake is currently growing at a rate of 3.23% annually and its population has increased by 8.47% since the most recent census, which recorded a population of 59 in 2020.
The median age in Grass Lake is 77.2 years: 0 years for males, and 0 years for females.