Sisseton is a city located in South Dakota. With a 2020 population of 2,458, it is the 30th largest city in South Dakota and the 6878th largest city in the United States. Sisseton is currently growing at a rate of 0.66% annually but its population has decreased by -0.49% since the most recent census, which recorded a population of 2,470 in 2010. Sisseton reached it's highest population of 2,470 in 2012. Spanning over 2 miles, Sisseton has a population density of 1,545 people per square mile.
The average household income in Sisseton is $52,894 with a poverty rate of 21.28%. The median rental costs in recent years comes to $598 per month, and the median house value is $71,000. The median age in Sisseton is 36.8 years, 36.8 years for males, and 36.7 years for females. For every 100 females there are 109.3 males.