Portage city, Wisconsin
Official LSAD Designation: Portage city • Census GEOID: 5564100
• Columbia County
Demographics & Population Profile
Population and demographics for Portage city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 9,956 | — | 2025 | Census |
| Median Age | 37.8 yrs | ±2.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 4,132 | ±245 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).