# Population in South Milwaukee, WI

Population in South Milwaukee, WI was 20,191 in 2025. Source: U.S. Census Bureau.

- Indicator id: `population`
- Place id: `us-place-5575125`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). Norway: Statistics Norway, 1 January. Iceland and its municipalities: Statistics Iceland, 1 January. United States: Census Bureau population estimates for 1 July. United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship. UN World Population Prospects estimates for 1 July cover the years before 1960 and the areas the World Bank does not publish, such as Taiwan.
- Note: The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.
- Source: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- License: Public domain (US federal government work, citation requested)
- Citation: U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/population/south-milwaukee-wi
- API: https://invokely.ai/api/v1/series?indicator=population&place=us-place-5575125

| Period | persons |
|---|---:|
| 2025 | 20,191 |
| 2024 | 20,223 |
| 2023 | 20,235 |
| 2022 | 20,338 |
| 2021 | 20,574 |
| 2020 | 20,773 |