Fort Pierre is a city located in South Dakota. With a 2020 population of 2,138, it is the 34th largest city in South Dakota and the 7351st largest city in the United States. Fort Pierre is currently declining at a rate of -0.51% annually but its population has increased by 2.89% since the most recent census, which recorded a population of 2,078 in 2010. Fort Pierre reached it's highest population of 2,160 in 2018. Spanning over 3 miles, Fort Pierre has a population density of 686 people per square mile.
The average household income in Fort Pierre is $86,829 with a poverty rate of 5.26%. The median rental costs in recent years comes to $720 per month, and the median house value is $162,700. The median age in Fort Pierre is 39.2 years, 39.7 years for males, and 37.8 years for females. For every 100 females there are 104.9 males.