How many people live in Milwaukee County, WI?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 924,700 people living in Milwaukee County, WI. That makes Milwaukee County the most populous county in Wisconsin. It is home to 15.5% of people living in the state.
925K
population of Milwaukee County, WI (2024)
15.5%
County share of the Wisconsin population (2024)
About 924,700 people lived in Milwaukee County, WI in 2024.
Population estimates, 2000–2024
What are Milwaukee County, WI’s age demographics?
About 142,700 Milwaukee County residents are aged 65 and older in 2024. That represents 15.4% of its population. For comparison, the age group represents 19.6% of Wisconsin’s population and 18% in the US overall.
Another 214,800 Milwaukee County residents, or 23.2% of the population, were children under 18. For comparison, the age group represents 20.8% of Wisconsin’s population and 21.6% in the US overall.
A higher share of Milwaukee County, WI's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Milwaukee County, WI’s racial and ethnic demographics?
Non-Hispanic Black or African American residents make up 25.7% of the Milwaukee County population, higher than the national share of 12.6%. Milwaukee County also has a larger share of people identifying as non-Hispanic two or more races (2.7%) than the US overall (2.5%).
In contrast, Milwaukee County’s non-Hispanic white population accounts for 47.9%, below the 57.5% nationwide, and the Hispanic population makes up 17.6% of the county, compared with 20% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Milwaukee County, WI has a higher share of a non-Hispanic Black or African American population than Wisconsin as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Milwaukee County, WI is Milwaukee with about 563,500 residents in 2024.
Cities and towns in Milwaukee County, WI ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Milwaukee (pt.) | 563,531 |
| 2. | West Allis | 59,784 |
| 3. | Wauwatosa | 48,794 |
| 4. | Oak Creek | 38,373 |
| 5. | Greenfield | 37,232 |
| 6. | Franklin | 36,591 |
| 7. | South Milwaukee | 20,233 |
| 8. | Cudahy | 17,704 |
| 9. | Whitefish Bay | 14,532 |
| 10. | Greendale | 14,455 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
