
South Milwaukee
- County:
- Milwaukee County
- County Seat:
- No
- Area (mi²):
- 4.826
- State:
- Wisconsin
South Milwaukee is a city located in Milwaukee County, Wisconsin. South Milwaukee has a 2025 population of 19,835. South Milwaukee is currently declining at a rate of -0.94% annually and its population has decreased by -4.52% since the most recent census, which recorded a population of 20,775 in 2020.
The average household income in South Milwaukee is $82,285 with a poverty rate of 12.51%. The median age in South Milwaukee is 40.9 years: 40.5 years for males, and 41.7 years for females.