Fond du Lac city, Wisconsin
Official LSAD Designation: Fond du Lac city • Census GEOID: 5526275
• Fond du Lac County
Demographics & Population Profile
Population and demographics for Fond du Lac city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 44,541 | — | 2025 | Census |
| Median Age | 36.9 yrs | ±0.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 19,018 | ±550 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).