| Kamala Harris ✓Democratic | 49.8% | 5,597 |
|---|---|---|
| Donald TrumpRepublican | 48.6% | 5,462 |
| OtherAll other candidates | 1.5% | 170 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +10.2% |
| 2012 | +8.0% |
| 2016 | +0.6% |
| 2020 | +2.6% |
| 2024 | +1.2% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 5,597 | 5,462 | 11,229 | ||
| D | 5,637 | 5,347 | 11,201 | ||
| D | 4,818 | 4,757 | 10,285 | ||
| D | 5,813 | 4,953 | 10,766 | ||
| D | 6,039 | 4,901 | 11,128 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | South MilwaukeeCity | WisconsinState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 81.2% | 80.1% | 61.0% |
| Black | 2.5% | 6.1% | 12.2% |
| Asian | 1.3% | 3.0% | 6.0% |
| Two or more races | 10.8% | 7.6% | 12.6% |
| Other race | 4.3% | 3.3% | 8.2% |
| Hispanic or Latino | 12.2% | 8.0% | 19.3% |
| Income & Age | |||
| Median household income | $73,427 | $77,485 | $84,427 |
| Poverty rate | 13.1% | 10.6% | 12.5% |
| Median age | 40.2 | 40.5 | 39.1 |
| Age 18–24 | 9.4% | 9.3% | 9.2% |
| Age 65 and older | 14.7% | 18.5% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 29.9% | 33.4% | 35.7% |
| Speaks a non-English language at home | 13.9% | 9.0% | 22.3% |
| Spanish | 7.1% | 4.9% | 13.6% |
| Other Indo-European | 3.4% | 0.7% | 2.0% |
| Arabic | 1.4% | 0.1% | 0.5% |
| Ancestry | |||
| Largest ancestry | German 22.1% | German 35.8% | German 12.5% |
| 2nd-largest ancestry | Polish 8.6% | Irish 10.4% | English 9.5% |
| 3rd-largest ancestry | Irish 7.6% | Polish 7.6% | Irish 9.4% |
| Religion | |||
| Catholic | 20.6%County context | 21.0% | 18.6% |
| Evangelical Protestant | 14.8%County context | 14.5% | 16.5% |
| Unaffiliated or unclaimed | 47.6%County context | 52.0% | 51.5% |
| Black Protestant | 5.5%County context | 1.0% | 2.2% |
ACS values are survey estimates and may include margins of error.
Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
South Milwaukee sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 10.2 points in 2008. Between 2020 and 2024 the city moved 1.4 points toward the Republican candidate; the 2024 margin was 1.2 points.
A population of 20,442, a 81% non-Hispanic-white share, and a median household income of $73,427 describe the city.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
South Milwaukee, Wisconsin. Akashic. https://akashic.app/city/5575125/. Accessed May 20, 2026. License: CC BY 4.0.