How many people live in Pierce County, WI?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 43,400 people living in Pierce County, WI. That makes Pierce County the 35th-most populous county in Wisconsin. It is home to 0.73% of people living in the state.
43.4K
population of Pierce County, WI (2024)
0.73%
County share of the Wisconsin population (2024)
About 43,400 people lived in Pierce County, WI in 2024.
Population estimates, 2000–2024
What are Pierce County, WI’s age demographics?
About 7,700 Pierce County, WI residents are aged 65 and older in 2024. That represents 17.8% of its population. For comparison, the age group represents 19.6% of Wisconsin’s population and 18% in the US overall.
Another 8,600 Pierce County residents, or 19.8% 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 Pierce County, WI's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Pierce County, WI’s racial and ethnic demographics?
Non-Hispanic white residents make up 92.2% of the Pierce County, WI population, higher than the national share of 57.5%.
In contrast, Pierce County’s Hispanic population accounts for 3.1%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.89% 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.
Pierce 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 Pierce County, WI is River Falls with about 12,800 residents in 2024.
Cities and towns in Pierce County, WI ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | River Falls (pt.) | 12,807 |
| 2. | Prescott | 4,584 |
| 3. | Ellsworth | 3,341 |
| 4. | Oak Grove | 2,531 |
| 5. | Clifton | 2,280 |
| 6. | River Falls | 2,271 |
| 7. | Trenton | 1,947 |
| 8. | Trimbelle | 1,722 |
| 9. | Spring Valley (pt.) | 1,429 |
| 10. | Martell | 1,183 |
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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.
