Mercer
- County:
- McLean County
- County Seat:
- No
- Area (mi²):
- 0.222
- State:
- North Dakota
Mercer is a city located in McLean County, North Dakota. Mercer has a 2026 population of 126. Mercer is currently declining at a rate of 0% annually and its population has increased by 38.46% since the most recent census, which recorded a population of 91 in 2020.
The median household income in Mercer is $46,429 with a poverty rate of 34.85%. The median age in Mercer is 58.8 years: 60.1 years for males, and 58.3 years for females. For every 100 females there are 100.0 males.