How many people live in Winnebago County, WI?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 173,300 people living in Winnebago County, WI. That makes Winnebago County the seventh-most populous county in Wisconsin. It is home to 2.9% of people living in the state.
173K
population of Winnebago County, WI (2024)
2.9%
County share of the Wisconsin population (2024)
About 173,300 people lived in Winnebago County, WI in 2024.
Population estimates, 2000–2024
What are Winnebago County, WI’s age demographics?
About 31,800 Winnebago County, WI residents are aged 65 and older in 2024. That represents 18.3% of its population. For comparison, the age group represents 19.6% of Wisconsin’s population and 18% in the US overall.
Another 34,200 Winnebago County residents, or 19.7% 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 Winnebago County, WI's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Winnebago County, WI’s racial and ethnic demographics?
Non-Hispanic white residents make up 85.3% of the Winnebago County, WI population, higher than the national share of 57.5%.
In contrast, Winnebago County’s Hispanic population accounts for 5.4%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 3.1% of the county, compared with 12.6% 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.
Winnebago County, WI has a higher share of a non-Hispanic white population than Wisconsin as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Winnebago County, WI is Oshkosh with about 67,200 residents in 2024.
Cities and towns in Winnebago County, WI ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Oshkosh | 67,242 |
| 2. | Neenah | 27,502 |
| 3. | Fox Crossing (pt.) | 19,362 |
| 4. | Menasha (pt.) | 15,187 |
| 5. | Algoma | 6,944 |
| 6. | Clayton | 4,735 |
| 7. | Neenah | 3,683 |
| 8. | Omro | 3,644 |
| 9. | Winneconne | 2,655 |
| 10. | Winneconne | 2,504 |
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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.
