South St. Paul is a city located in Dakota County Minnesota. With a 2020 population of 19,918, it is the 60th largest city in Minnesota and the 1872nd largest city in the United States . South St. Paul is currently declining at a rate of -0.36% annually and its population has decreased by -1.20% since the most recent census, which recorded a population of 20,160 in 2010. South St. Paul reached it's highest population of 25,016 in 1970. Spanning over 6 miles, South St. Paul has a population density of 3,542 people per square mile.
The average household income in South St. Paul is $72,844 with a poverty rate of 11.02%. The median rental costs in recent years comes to $937 per month, and the median house value is $192,100. The median age in South St. Paul is 35.1 years, 34 years for males, and 36 years for females.