Mercer township is located in McLean County, North Dakota. Mercer township has a 2026 population of 45. Mercer township is currently declining at a rate of -2.17% annually but its population has increased by 2.27% since the most recent census, which recorded a population of 44 in 2020.
The median age in Mercer township is 40.1 years: 13.6 years for males, and 0 years for females. For every 100 females there are 280.0 males.