South Milwaukee, WI Demographics

The total population of South Milwaukee is estimated to be 20,678 with 10,317 males (49.89%) and 10,361 females (50.11%). There are 44 more females than males in South Milwaukee.
The median household income in South Milwaukee was $65,985 in 2021, which marked an an increase of 1,072(1.65%) from $64,913 in 2020. This income is 88.44% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, South Milwaukee sees its highest median household income among householders in the age group of 25 to 44 years old, at $78,396. Overall, the median household income for the city of South Milwaukee stands at $65,985.
In South Milwaukee, the median income for all workers aged 15 years and older, regardless of work hours, was $43,772 for males and $32,237 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $56,236 for males and $46,203 for females.
In South Milwaukee, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, Some Other Race households have the highest median household income at $79,402, while Asian households represent the opposite end with the lowest median household income of $36,346.
In 2022, the population of South Milwaukee was 20,309, a 1.09% decrease year-by-year from 2021. Previously, in 2021, South Milwaukee's population was 20,532, a decline of 1.16% compared to a population of 20,772 in 2020.
The median age in South Milwaukee, WI is 41.1, as per 2021 ACS 5-Year Estimates. Of the total population, 17.59% were under the age of 15, 16.71% aged 15 to 29, 48.03% aged 30 to 64, 14.75% aged 65 to 84, and 2.91% were 85 years of age and older.
Racial distribution of South Milwaukee population: 88.48% are White, 2.54% are Black or African American, 1.35% are American Indian and Alaska Native, 0.43% are Asian, 1.74% are some other race and 5.46% are multiracial.