South Milwaukee city, Wisconsin
Official LSAD Designation: South Milwaukee city • Census GEOID: 5575125
• Milwaukee County
South Milwaukee city is an incorporated city in Milwaukee County, Wisconsin. According to official records from the Census (2025), South Milwaukee city had an estimated population of 20,191 residents. Official Census Bureau geographic records classify this community under LSAD designation South Milwaukee city (GEOID 5575125).
Local Government Administration U.S. Census Bureau GMAF
City Of South Milwaukee
Municipal
Official Title:
Mayor
Address:
2424 15TH AVE, SOUTH MILWAUKEE WI 53172-2410
County Of Milwaukee
County
Official Title:
Chief Of Staff, Milwaukee County Boa
Address:
901 N 9TH ST, STE 201, MILWAUKEE WI 53233-1417
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 20,191 | 2025 |
| Median Household Income | $73,427 | 2020-2024 |
| Median Home Value | $235,700 | 2020-2024 |
| Land Area | 4.83 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).