Eau Claire Wisconsin Population 2025. Eau claire is currently growing at a rate of 0.49% annually and its population has increased by 1.98% since the most recent census, which recorded a population of 69,510 in 2020. Updated 10:42 am pdt, october 29, 2025.
The ages, races, and population density of eau claire county, wisconsin tell a story. Updated 10:42 am pdt, october 29, 2025.