How many people live in La Crosse County, WI?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 121,100 people living in La Crosse County, WI. That makes La Crosse County the 12th-most populous county in Wisconsin. It is home to 2% of people living in the state.
121K
population of La Crosse County, WI (2024)
2%
County share of the Wisconsin population (2024)
About 121,100 people lived in La Crosse County, WI in 2024.
Population estimates, 2000–2024
What are La Crosse County, WI’s age demographics?
About 23,100 La Crosse County, WI residents are aged 65 and older in 2024. That represents 19.1% of its population. For comparison, the age group represents 19.6% of Wisconsin’s population and 18% in the US overall.
Another 22,600 La Crosse County, WI residents, or 18.7% 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 La Crosse County, WI's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are La Crosse County, WI’s racial and ethnic demographics?
Non-Hispanic white residents make up 87.8% of the La Crosse County, WI population, higher than the national share of 57.5%.
In contrast, La Crosse County’s Hispanic population accounts for 2.9%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 1.7% 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.
La Crosse 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 La Crosse County, WI is La Crosse with about 51,000 residents in 2024.
Cities and towns in La Crosse County, WI ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | La Crosse | 51,049 |
| 2. | Onalaska | 19,898 |
| 3. | Holmen | 11,866 |
| 4. | Onalaska | 5,787 |
| 5. | West Salem | 5,306 |
| 6. | Shelby | 4,690 |
| 7. | Holland | 4,525 |
| 8. | Campbell | 4,123 |
| 9. | Hamilton | 2,327 |
| 10. | Greenfield | 2,181 |
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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.
