
Mandan
- County:
- Morton County
- County Seat:
- No
- Area (mi²):
- 13.517
- State:
- North Dakota
Mandan is a city located in Morton County, North Dakota. Mandan has a 2025 population of 24,834. Mandan is currently growing at a rate of 0.5% annually and its population has increased by 2.56% since the most recent census, which recorded a population of 24,214 in 2020.
The average household income in Mandan is $108,751 with a poverty rate of 8.3%. The median age in Mandan is 36.2 years: 35.9 years for males, and 37.3 years for females.