Grass Lake township is located in Burleigh County, North Dakota. Grass Lake township has a 2026 population of 60. Grass Lake township is currently growing at a rate of 1.69% annually and its population has increased by 3.45% since the most recent census, which recorded a population of 58 in 2020.
The median age in Grass Lake township is 71.8 years: 0 years for males, and 0 years for females. For every 100 females there are 250.0 males.