Mandan is a city located in Morton County North Dakota. With a 2020 population of 23,190, it is the 8th largest city in North Dakota and the 1658th largest city in the United States . Mandan is currently growing at a rate of 0.95% annually and its population has increased by 26.51% since the most recent census, which recorded a population of 18,331 in 2010. Mandan reached it's highest population of 23,190 in 2021. Spanning over 14 miles, Mandan has a population density of 1,717 people per square mile.
The average household income in Mandan is $90,692 with a poverty rate of 8.16%. The median rental costs in recent years comes to $868 per month, and the median house value is $215,300. The median age in Mandan is 36.6 years, 36.4 years for males, and 36.8 years for females.