Wausau city, Wisconsin
Official LSAD Designation: Wausau city • Census GEOID: 5584475
• Marathon County
Demographics & Population Profile
Population and demographics for Wausau city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 40,188 | — | 2025 | Census |
| Median Age | 38.2 yrs | ±1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 17,625 | ±441 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).