South Milwaukee is a city located in Milwaukee County Wisconsin. With a 2020 population of 20,526, it is the 40th largest city in Wisconsin and the 1816th largest city in the United States . South Milwaukee is currently declining at a rate of -0.41% annually and its population has decreased by -2.98% since the most recent census, which recorded a population of 21,156 in 2010. South Milwaukee reached it's highest population of 23,297 in 1970. Spanning over 5 miles, South Milwaukee has a population density of 4,251 people per square mile.
The average household income in South Milwaukee is $66,639 with a poverty rate of 16.81%. The median rental costs in recent years comes to $838 per month, and the median house value is $162,000. The median age in South Milwaukee is 40.9 years, 39.8 years for males, and 42.9 years for females.