Eau Claire County's 2026 population is estimated at 110,374, reflecting a 0.7% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Eau Claire County is the 14th largest county in Wisconsin. The 2010 population was 99,012 and has grown 11.48% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.8 years
Female: 36.2 years
Male: 35.5 years
There are 85,909 adults, (18,178 of whom are seniors) in Eau Claire County.
Female: 54,057 (50.5%)
Male: 53,059 (49.5%)
The racial composition of Eau Claire County includes 87.9% White, 4.13% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 94,156 | 87.9% |
| Two or more races | 5,326 | 4.97% |
| Asian | 4,427 | 4.13% |
| Black or African American | 1,476 | 1.38% |
| Other race | 1,304 | 1.22% |
| Native American | 289 | 0.27% |
| Native Hawaiian or Pacific Islander | 138 | 0.13% |
Eau Claire County 's average per capita income is $51,703. Household income levels show a median of $74,546. The poverty rate stands at 11.8%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $113,961 | $138,740 |
| Families | $101,292 | $124,339 |
| Households | $74,546 | $100,242 |
| Non Families | $50,498 | $63,955 |
Average Income
Median Household Income
Poverty Rate